25252939 has 16 divisors (see below), whose sum is σ = 27911520. Its totient is φ = 22740480.

The previous prime is 25252937. The next prime is 25252961. The reversal of 25252939 is 93925252.

It is a cyclic number.

It is not a de Polignac number, because 25252939 - 2¹ = 25252937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25252898 and 25252907.

It is not an unprimeable number, because it can be changed into a prime (25252933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89092 + ... + 89374.

It is an arithmetic number, because the mean of its divisors is an integer number (1744470).

Almost surely, 2^25252939 is an apocalyptic number.

25252939 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

25252939 is a deficient number, since it is larger than the sum of its proper divisors (2658581).

25252939 is a wasteful number, since it uses less digits than its factorization.

25252939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its digits is 48600, while the sum is 37.

The square root of 25252939 is about 5025.2302434814. The cubic root of 25252939 is about 293.3845974740.

The spelling of 25252939 in words is "twenty-five million, two hundred fifty-two thousand, nine hundred thirty-nine".