252485445 has 32 divisors (see below), whose sum is σ = 431937792. Its totient is φ = 125494272.

The previous prime is 252485423. The next prime is 252485461. The reversal of 252485445 is 544584252.

It is not a de Polignac number, because 252485445 - 2¹² = 252481349 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21459 + ... + 31071.

It is an arithmetic number, because the mean of its divisors is an integer number (13498056).

Almost surely, 2^252485445 is an apocalyptic number.

It is an amenable number.

252485445 is a deficient number, since it is larger than the sum of its proper divisors (179452347).

252485445 is a wasteful number, since it uses less digits than its factorization.

252485445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9741.

The product of its digits is 256000, while the sum is 39.

The square root of 252485445 is about 15889.7905901871. The cubic root of 252485445 is about 632.0412875940.

The spelling of 252485445 in words is "two hundred fifty-two million, four hundred eighty-five thousand, four hundred forty-five".