25613955 has 16 divisors (see below), whose sum is σ = 45536160. Its totient is φ = 13660704.

The previous prime is 25613941. The next prime is 25613963. The reversal of 25613955 is 55931652.

25613955 is a `hidden beast` number, since 2 + 561 + 3 + 95 + 5 = 666.

It is not a de Polignac number, because 25613955 - 2⁹ = 25613443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94732 + ... + 95001.

It is an arithmetic number, because the mean of its divisors is an integer number (2846010).

Almost surely, 2^25613955 is an apocalyptic number.

25613955 is a deficient number, since it is larger than the sum of its proper divisors (19922205).

25613955 is a wasteful number, since it uses less digits than its factorization.

25613955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189747 (or 189741 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 25613955 is about 5061.0231179081. The cubic root of 25613955 is about 294.7760629337.

The spelling of 25613955 in words is "twenty-five million, six hundred thirteen thousand, nine hundred fifty-five".