25280652 has 24 divisors (see below), whose sum is σ = 59072832. Its totient is φ = 8414800.

The previous prime is 25280639. The next prime is 25280653. The reversal of 25280652 is 25608252.

It is a super-2 number, since 2×25280652² = 1278222731090208, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (25280653) 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, 12127 + ... + 14057.

It is an arithmetic number, because the mean of its divisors is an integer number (2461368).

Almost surely, 2^25280652 is an apocalyptic number.

It is an amenable number.

25280652 is an abundant number, since it is smaller than the sum of its proper divisors (33792180).

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

25280652 is a wasteful number, since it uses less digits than its factorization.

25280652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3027 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 25280652 is about 5027.9868734912. The cubic root of 25280652 is about 293.4918799696.

The spelling of 25280652 in words is "twenty-five million, two hundred eighty thousand, six hundred fifty-two".