252398943 has 8 divisors (see below), whose sum is σ = 373924400. Its totient is φ = 168265944.

The previous prime is 252398921. The next prime is 252398953. The reversal of 252398943 is 349893252.

It is a happy number.

252398943 is a `hidden beast` number, since 2 + 523 + 9 + 89 + 43 = 666.

It is not a de Polignac number, because 252398943 - 2¹³ = 252390751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252398903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4674028 + ... + 4674081.

It is an arithmetic number, because the mean of its divisors is an integer number (46740550).

Almost surely, 2^252398943 is an apocalyptic number.

252398943 is a deficient number, since it is larger than the sum of its proper divisors (121525457).

252398943 is an equidigital number, since it uses as much as digits as its factorization.

252398943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348118 (or 9348112 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 252398943 is about 15887.0684205740. The cubic root of 252398943 is about 631.9690998285.

The spelling of 252398943 in words is "two hundred fifty-two million, three hundred ninety-eight thousand, nine hundred forty-three".