25963632 has 40 divisors (see below), whose sum is σ = 74526480. Its totient is φ = 8654400.

The previous prime is 25963631. The next prime is 25963649. The reversal of 25963632 is 23636952.

25963632 is a `hidden beast` number, since 2 + 596 + 3 + 63 + 2 = 666.

It is a super-2 number, since 2×25963632² = 1348220373262848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25963631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29619 + ... + 30482.

It is an arithmetic number, because the mean of its divisors is an integer number (1863162).

Almost surely, 2^25963632 is an apocalyptic number.

It is an amenable number.

25963632 is an abundant number, since it is smaller than the sum of its proper divisors (48562848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25963632 is a wasteful number, since it uses less digits than its factorization.

25963632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60118 (or 60106 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 25963632 is about 5095.4520898542. The cubic root of 25963632 is about 296.1114141092. Note that the first 3 decimals are identical.

The spelling of 25963632 in words is "twenty-five million, nine hundred sixty-three thousand, six hundred thirty-two".