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2525250285 = 32556116673
BaseRepresentation
bin1001011010000100…
…0100001011101101
320111222201000011100
42112201010023231
520132431002120
61054324513313
7116402162505
oct22641041355
96458630140
102525250285
11108648aa08
125a584b839
1331323054c
1419d544a05
15eba67490
hex968442ed

2525250285 has 12 divisors (see below), whose sum is σ = 4377100572. Its totient is φ = 1346800128.

The previous prime is 2525250283. The next prime is 2525250307. The reversal of 2525250285 is 5820525252.

2525250285 is a `hidden beast` number, since 2 + 52 + 525 + 0 + 2 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1951695684 + 573554601 = 44178^2 + 23949^2 .

It is not a de Polignac number, because 2525250285 - 21 = 2525250283 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525250281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28058292 + ... + 28058381.

It is an arithmetic number, because the mean of its divisors is an integer number (364758381).

Almost surely, 22525250285 is an apocalyptic number.

It is an amenable number.

2525250285 is a deficient number, since it is larger than the sum of its proper divisors (1851850287).

2525250285 is a wasteful number, since it uses less digits than its factorization.

2525250285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56116684 (or 56116681 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 2525250285 is about 50251.8684727245. The cubic root of 2525250285 is about 1361.7628317137.

The spelling of 2525250285 in words is "two billion, five hundred twenty-five million, two hundred fifty thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 45 56116673 168350019 280583365 505050057 841750095 2525250285