25632460 has 24 divisors (see below), whose sum is σ = 61518240. Its totient is φ = 8788224.

The previous prime is 25632457. The next prime is 25632461. The reversal of 25632460 is 6423652.

It is a happy number.

It is a super-3 number, since 3×25632460³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (25632461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91405 + ... + 91684.

It is an arithmetic number, because the mean of its divisors is an integer number (2563260).

Almost surely, 2^25632460 is an apocalyptic number.

25632460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25632460 is an abundant number, since it is smaller than the sum of its proper divisors (35885780).

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

25632460 is a wasteful number, since it uses less digits than its factorization.

25632460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183105 (or 183103 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 25632460 is about 5062.8509754880. The cubic root of 25632460 is about 294.8470335946.

The spelling of 25632460 in words is "twenty-five million, six hundred thirty-two thousand, four hundred sixty".