252378425 has 48 divisors (see below), whose sum is σ = 370392960. Its totient is φ = 168791040.

The previous prime is 252378407. The next prime is 252378437. The reversal of 252378425 is 524873252.

It is not a de Polignac number, because 252378425 - 2⁸ = 252378169 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141137 + ... + 142913.

It is an arithmetic number, because the mean of its divisors is an integer number (7716520).

Almost surely, 2^252378425 is an apocalyptic number.

252378425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252378425 is a deficient number, since it is larger than the sum of its proper divisors (118014535).

252378425 is a wasteful number, since it uses less digits than its factorization.

252378425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1837 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 252378425 is about 15886.4226621351. The cubic root of 252378425 is about 631.9519746995.

The spelling of 252378425 in words is "two hundred fifty-two million, three hundred seventy-eight thousand, four hundred twenty-five".