252323971 has 4 divisors (see below), whose sum is σ = 265604200. Its totient is φ = 239043744.

The previous prime is 252323969. The next prime is 252323977. The reversal of 252323971 is 179323252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252323971 - 2¹ = 252323969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252323977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6640086 + ... + 6640123.

It is an arithmetic number, because the mean of its divisors is an integer number (66401050).

Almost surely, 2^252323971 is an apocalyptic number.

252323971 is a deficient number, since it is larger than the sum of its proper divisors (13280229).

252323971 is a wasteful number, since it uses less digits than its factorization.

252323971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280228.

The product of its digits is 22680, while the sum is 34.

The square root of 252323971 is about 15884.7087162466. The cubic root of 252323971 is about 631.9065207506.

The spelling of 252323971 in words is "two hundred fifty-two million, three hundred twenty-three thousand, nine hundred seventy-one".