25535460 has 24 divisors (see below), whose sum is σ = 71499456. Its totient is φ = 6809440.

The previous prime is 25535441. The next prime is 25535467. The reversal of 25535460 is 6453552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25535467) 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, 212736 + ... + 212855.

It is an arithmetic number, because the mean of its divisors is an integer number (2979144).

Almost surely, 2^25535460 is an apocalyptic number.

25535460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25535460 is an abundant number, since it is smaller than the sum of its proper divisors (45963996).

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

25535460 is a wasteful number, since it uses less digits than its factorization.

25535460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425603 (or 425601 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 25535460 is about 5053.2623126056. The cubic root of 25535460 is about 294.4746370948.

The spelling of 25535460 in words is "twenty-five million, five hundred thirty-five thousand, four hundred sixty".