252339445 has 16 divisors (see below), whose sum is σ = 311794560. Its totient is φ = 195908544.

The previous prime is 252339431. The next prime is 252339499. The reversal of 252339445 is 544933252.

It is a cyclic number.

It is not a de Polignac number, because 252339445 - 2⁷ = 252339317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80416 + ... + 83494.

It is an arithmetic number, because the mean of its divisors is an integer number (19487160).

Almost surely, 2^252339445 is an apocalyptic number.

It is an amenable number.

252339445 is a deficient number, since it is larger than the sum of its proper divisors (59455115).

252339445 is a wasteful number, since it uses less digits than its factorization.

252339445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564.

The product of its digits is 129600, while the sum is 37.

The square root of 252339445 is about 15885.1957809780. The cubic root of 252339445 is about 631.9194379031.

The spelling of 252339445 in words is "two hundred fifty-two million, three hundred thirty-nine thousand, four hundred forty-five".