252368537 has 8 divisors (see below), whose sum is σ = 254671560. Its totient is φ = 250076160.

The previous prime is 252368497. The next prime is 252368549. The reversal of 252368537 is 735863252.

It can be written as a sum of positive squares in 4 ways, for example, as 14622976 + 237745561 = 3824^2 + 15419^2 .

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 252368537 - 2¹⁰ = 252367513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252368494 and 252368503.

It is not an unprimeable number, because it can be changed into a prime (252361537) 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, 49487 + ... + 54347.

It is an arithmetic number, because the mean of its divisors is an integer number (31833945).

Almost surely, 2^252368537 is an apocalyptic number.

It is an amenable number.

252368537 is a deficient number, since it is larger than the sum of its proper divisors (2303023).

252368537 is a wasteful number, since it uses less digits than its factorization.

252368537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323.

The product of its digits is 302400, while the sum is 41.

The square root of 252368537 is about 15886.1114499427. Note that the first 3 decimals coincide. The cubic root of 252368537 is about 631.9437214547.

The spelling of 252368537 in words is "two hundred fifty-two million, three hundred sixty-eight thousand, five hundred thirty-seven".