252122431 has 8 divisors (see below), whose sum is σ = 280232784. Its totient is φ = 224877120.

The previous prime is 252122401. The next prime is 252122449. The reversal of 252122431 is 134221252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252122431 - 2¹⁹ = 251598143 is a prime.

It is a super-2 number, since 2×252122431² = 127131440426699522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252122401) 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, 215646 + ... + 216811.

It is an arithmetic number, because the mean of its divisors is an integer number (35029098).

Almost surely, 2^252122431 is an apocalyptic number.

252122431 is a deficient number, since it is larger than the sum of its proper divisors (28110353).

252122431 is a wasteful number, since it uses less digits than its factorization.

252122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432521.

The product of its digits is 960, while the sum is 22.

The square root of 252122431 is about 15878.3636121610. The cubic root of 252122431 is about 631.7382339746.

Adding to 252122431 its reverse (134221252), we get a palindrome (386343683).

The spelling of 252122431 in words is "two hundred fifty-two million, one hundred twenty-two thousand, four hundred thirty-one".