25903641 has 12 divisors (see below), whose sum is σ = 35773712. Its totient is φ = 16671984.

The previous prime is 25903637. The next prime is 25903643. The reversal of 25903641 is 14630952.

It is not a de Polignac number, because 25903641 - 2² = 25903637 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25903599 and 25903608.

It is not an unprimeable number, because it can be changed into a prime (25903643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2611 + ... + 7656.

Almost surely, 2^25903641 is an apocalyptic number.

It is an amenable number.

25903641 is a deficient number, since it is larger than the sum of its proper divisors (9870071).

25903641 is a wasteful number, since it uses less digits than its factorization.

25903641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10328 (or 10299 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 25903641 is about 5089.5619654347. The cubic root of 25903641 is about 295.8831753796.

The spelling of 25903641 in words is "twenty-five million, nine hundred three thousand, six hundred forty-one".