25532957 has 4 divisors (see below), whose sum is σ = 25562016. Its totient is φ = 25503900.

The previous prime is 25532951. The next prime is 25532971. The reversal of 25532957 is 75923552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25532957 - 2⁶ = 25532893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25532957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25532951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13169 + ... + 14982.

It is an arithmetic number, because the mean of its divisors is an integer number (6390504).

Almost surely, 2^25532957 is an apocalyptic number.

It is an amenable number.

25532957 is a deficient number, since it is larger than the sum of its proper divisors (29059).

25532957 is an equidigital number, since it uses as much as digits as its factorization.

25532957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29058.

The product of its digits is 94500, while the sum is 38.

The square root of 25532957 is about 5053.0146447443. The cubic root of 25532957 is about 294.4650152578.

The spelling of 25532957 in words is "twenty-five million, five hundred thirty-two thousand, nine hundred fifty-seven".