252037445 has 8 divisors (see below), whose sum is σ = 329940000. Its totient is φ = 183299920.

The previous prime is 252037403. The next prime is 252037477. The reversal of 252037445 is 544730252.

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

It is a de Polignac number, because none of the positive numbers 2^k-252037445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291195 + ... + 2291304.

It is an arithmetic number, because the mean of its divisors is an integer number (41242500).

Almost surely, 2^252037445 is an apocalyptic number.

It is an amenable number.

252037445 is a deficient number, since it is larger than the sum of its proper divisors (77902555).

252037445 is a wasteful number, since it uses less digits than its factorization.

252037445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582515.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 252037445 is about 15875.6872292194. The cubic root of 252037445 is about 631.6672434126.

Adding to 252037445 its reverse (544730252), we get a palindrome (796767697).

The spelling of 252037445 in words is "two hundred fifty-two million, thirty-seven thousand, four hundred forty-five".