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25852061 = 101255961
BaseRepresentation
bin110001010011…
…1100010011101
31210122102100202
41202213202131
523104231221
62322033245
7432511304
oct142474235
953572322
1025852061
1113658044
1287a8825
135481ca1
14360d43b
152409d0b
hex18a789d

25852061 has 4 divisors (see below), whose sum is σ = 26108124. Its totient is φ = 25596000.

The previous prime is 25852051. The next prime is 25852129. The reversal of 25852061 is 16025852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22146436 + 3705625 = 4706^2 + 1925^2 .

It is a cyclic number.

It is not a de Polignac number, because 25852061 - 26 = 25851997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25852051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127880 + ... + 128081.

It is an arithmetic number, because the mean of its divisors is an integer number (6527031).

Almost surely, 225852061 is an apocalyptic number.

It is an amenable number.

25852061 is a deficient number, since it is larger than the sum of its proper divisors (256063).

25852061 is a wasteful number, since it uses less digits than its factorization.

25852061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256062.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 25852061 is about 5084.4922067007. The cubic root of 25852061 is about 295.6866548054.

The spelling of 25852061 in words is "twenty-five million, eight hundred fifty-two thousand, sixty-one".

Divisors: 1 101 255961 25852061