25461633 has 16 divisors (see below), whose sum is σ = 35864576. Its totient is φ = 16042320.

The previous prime is 25461629. The next prime is 25461643. The reversal of 25461633 is 33616452.

It is not a de Polignac number, because 25461633 - 2² = 25461629 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 25461633.

It is not an unprimeable number, because it can be changed into a prime (25461643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816 + ... + 7182.

It is an arithmetic number, because the mean of its divisors is an integer number (2241536).

Almost surely, 2^25461633 is an apocalyptic number.

It is an amenable number.

25461633 is a deficient number, since it is larger than the sum of its proper divisors (10402943).

25461633 is a wasteful number, since it uses less digits than its factorization.

25461633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444.

The product of its digits is 12960, while the sum is 30.

The square root of 25461633 is about 5045.9521400822. The cubic root of 25461633 is about 294.1905724495.

The spelling of 25461633 in words is "twenty-five million, four hundred sixty-one thousand, six hundred thirty-three".