252375646 has 8 divisors (see below), whose sum is σ = 381327120. Its totient is φ = 125266608.

The previous prime is 252375637. The next prime is 252375653. The reversal of 252375646 is 646573252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 252375599 and 252375608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460266 + ... + 460813.

It is an arithmetic number, because the mean of its divisors is an integer number (47665890).

Almost surely, 2^252375646 is an apocalyptic number.

252375646 is a deficient number, since it is larger than the sum of its proper divisors (128951474).

252375646 is a wasteful number, since it uses less digits than its factorization.

252375646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921218.

The product of its digits is 302400, while the sum is 40.

The square root of 252375646 is about 15886.3351972694. The cubic root of 252375646 is about 631.9496551655.

The spelling of 252375646 in words is "two hundred fifty-two million, three hundred seventy-five thousand, six hundred forty-six".