239290425 has 72 divisors (see below), whose sum is σ = 472380480. Its totient is φ = 114825600.

The previous prime is 239290409. The next prime is 239290477. The reversal of 239290425 is 524092932.

It is not a de Polignac number, because 239290425 - 2⁴ = 239290409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239290425.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 269332 + ... + 270218.

It is an arithmetic number, because the mean of its divisors is an integer number (6560840).

Almost surely, 2^239290425 is an apocalyptic number.

239290425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239290425 is a deficient number, since it is larger than the sum of its proper divisors (233090055).

239290425 is a wasteful number, since it uses less digits than its factorization.

239290425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 239290425 is about 15469.0149977301. The cubic root of 239290425 is about 620.8334481430.

The spelling of 239290425 in words is "two hundred thirty-nine million, two hundred ninety thousand, four hundred twenty-five".