25753905 has 48 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 12971904.

The previous prime is 25753891. The next prime is 25753909. The reversal of 25753905 is 50935752.

It is not a de Polignac number, because 25753905 - 2¹¹ = 25751857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25753905.

It is not an unprimeable number, because it can be changed into a prime (25753909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154132 + ... + 154298.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^25753905 is an apocalyptic number.

It is an amenable number.

25753905 is a deficient number, since it is larger than the sum of its proper divisors (21420495).

25753905 is a wasteful number, since it uses less digits than its factorization.

25753905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 25753905 is about 5074.8305390427. The cubic root of 25753905 is about 295.3119557393.

The spelling of 25753905 in words is "twenty-five million, seven hundred fifty-three thousand, nine hundred five".