25315755 has 16 divisors (see below), whose sum is σ = 42266880. Its totient is φ = 12914528.

The previous prime is 25315727. The next prime is 25315757. The reversal of 25315755 is 55751352.

It is a cyclic number.

It is not a de Polignac number, because 25315755 - 2⁷ = 25315627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25315757) 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, 36345 + ... + 37034.

It is an arithmetic number, because the mean of its divisors is an integer number (2641680).

Almost surely, 2^25315755 is an apocalyptic number.

25315755 is a deficient number, since it is larger than the sum of its proper divisors (16951125).

25315755 is a wasteful number, since it uses less digits than its factorization.

25315755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73410.

The product of its digits is 26250, while the sum is 33.

The square root of 25315755 is about 5031.4764234765. The cubic root of 25315755 is about 293.6276581227.

The spelling of 25315755 in words is "twenty-five million, three hundred fifteen thousand, seven hundred fifty-five".