25529057 has 16 divisors (see below), whose sum is σ = 27675648. Its totient is φ = 23488080.

The previous prime is 25529051. The next prime is 25529081. The reversal of 25529057 is 75092552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25529057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25529051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81932 + ... + 82242.

It is an arithmetic number, because the mean of its divisors is an integer number (1729728).

Almost surely, 2^25529057 is an apocalyptic number.

It is an amenable number.

25529057 is a deficient number, since it is larger than the sum of its proper divisors (2146591).

25529057 is a wasteful number, since it uses less digits than its factorization.

25529057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 25529057 is about 5052.6287217645. The cubic root of 25529057 is about 294.4500219293.

The spelling of 25529057 in words is "twenty-five million, five hundred twenty-nine thousand, fifty-seven".