25340904 has 32 divisors (see below), whose sum is σ = 70392000. Its totient is φ = 8446896.

The previous prime is 25340891. The next prime is 25340921. The reversal of 25340904 is 40904352.

25340904 is a `hidden beast` number, since 253 + 409 + 0 + 4 = 666.

It is a super-2 number, since 2×25340904² = 1284322831074432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58444 + ... + 58875.

It is an arithmetic number, because the mean of its divisors is an integer number (2199750).

Almost surely, 2^25340904 is an apocalyptic number.

25340904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25340904 is an abundant number, since it is smaller than the sum of its proper divisors (45051096).

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

25340904 is a wasteful number, since it uses less digits than its factorization.

25340904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117334 (or 117324 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25340904 is about 5033.9749701404. The cubic root of 25340904 is about 293.7248571207.

It can be divided in two parts, 25340 and 904, that added together give a square (26244 = 162²).

The spelling of 25340904 in words is "twenty-five million, three hundred forty thousand, nine hundred four".