25320300 has 36 divisors (see below), whose sum is σ = 73260936. Its totient is φ = 6752000.

The previous prime is 25320289. The next prime is 25320311. The reversal of 25320300 is 302352.

It is an interprime number because it is at equal distance from previous prime (25320289) and next prime (25320311).

It is a super-2 number, since 2×25320300² = 1282235184180000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 25320300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41901 + ... + 42500.

It is an arithmetic number, because the mean of its divisors is an integer number (2035026).

Almost surely, 2^25320300 is an apocalyptic number.

25320300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25320300 is an abundant number, since it is smaller than the sum of its proper divisors (47940636).

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

25320300 is a wasteful number, since it uses less digits than its factorization.

25320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84418 (or 84411 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 25320300 is about 5031.9280598991. The cubic root of 25320300 is about 293.6452289707.

Adding to 25320300 its reverse (302352), we get a palindrome (25622652).

The spelling of 25320300 in words is "twenty-five million, three hundred twenty thousand, three hundred".