252406382 has 16 divisors (see below), whose sum is σ = 381179520. Its totient is φ = 125349888.

The previous prime is 252406381. The next prime is 252406387. The reversal of 252406382 is 283604252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252406381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311594 + ... + 312402.

It is an arithmetic number, because the mean of its divisors is an integer number (23823720).

Almost surely, 2^252406382 is an apocalyptic number.

252406382 is a deficient number, since it is larger than the sum of its proper divisors (128773138).

252406382 is a wasteful number, since it uses less digits than its factorization.

252406382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 252406382 is about 15887.3025400790. The cubic root of 252406382 is about 631.9753084809.

The spelling of 252406382 in words is "two hundred fifty-two million, four hundred six thousand, three hundred eighty-two".