25269920 has 48 divisors (see below), whose sum is σ = 64297800. Its totient is φ = 9329664.

The previous prime is 25269913. The next prime is 25269941. The reversal of 25269920 is 2996252.

It can be written as a sum of positive squares in 4 ways, for example, as 22619536 + 2650384 = 4756^2 + 1628^2 .

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, 3995 + ... + 8154.

Almost surely, 2^25269920 is an apocalyptic number.

25269920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25269920 is an abundant number, since it is smaller than the sum of its proper divisors (39027880).

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

25269920 is a wasteful number, since it uses less digits than its factorization.

25269920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12177 (or 12169 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 25269920 is about 5026.9195338696. The cubic root of 25269920 is about 293.4503435849.

The spelling of 25269920 in words is "twenty-five million, two hundred sixty-nine thousand, nine hundred twenty".