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2525025491 = 23137801341
BaseRepresentation
bin1001011010000000…
…1101010011010011
320111222021120210122
42112200031103103
520132401303431
61054320020455
7116400235232
oct22640152323
96458246718
102525025491
11108634702a
125a576172b
13313182131
1419d4c6b19
15eba20a7b
hex9680d4d3

2525025491 has 8 divisors (see below), whose sum is σ = 2654044704. Its totient is φ = 2397609280.

The previous prime is 2525025443. The next prime is 2525025493. The reversal of 2525025491 is 1945205252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2525025491 - 214 = 2525009107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2525025493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397520 + ... + 403821.

It is an arithmetic number, because the mean of its divisors is an integer number (331755588).

Almost surely, 22525025491 is an apocalyptic number.

2525025491 is a deficient number, since it is larger than the sum of its proper divisors (129019213).

2525025491 is a wasteful number, since it uses less digits than its factorization.

2525025491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801501.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 2525025491 is about 50249.6317498944. The cubic root of 2525025491 is about 1361.7224231518.

The spelling of 2525025491 in words is "two billion, five hundred twenty-five million, twenty-five thousand, four hundred ninety-one".

Divisors: 1 23 137 3151 801341 18430843 109783717 2525025491