252537730337 has 4 divisors (see below), whose sum is σ = 263517631680. Its totient is φ = 241557828996.

The previous prime is 252537730309. The next prime is 252537730343. The reversal of 252537730337 is 733037735252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252537730337 - 2²⁸ = 252269294881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252537730291 and 252537730300.

It is not an unprimeable number, because it can be changed into a prime (252537730397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5489950637 + ... + 5489950682.

It is an arithmetic number, because the mean of its divisors is an integer number (65879407920).

Almost surely, 2^252537730337 is an apocalyptic number.

It is an amenable number.

252537730337 is a deficient number, since it is larger than the sum of its proper divisors (10979901343).

252537730337 is a wasteful number, since it uses less digits than its factorization.

252537730337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979901342.

The product of its (nonzero) digits is 2778300, while the sum is 47.

The spelling of 252537730337 in words is "two hundred fifty-two billion, five hundred thirty-seven million, seven hundred thirty thousand, three hundred thirty-seven".