537470657 has 4 divisors (see below), whose sum is σ = 569086596. Its totient is φ = 505854720.

The previous prime is 537470641. The next prime is 537470663. The reversal of 537470657 is 756074735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261113281 + 276357376 = 16159^2 + 16624^2 .

It is not a de Polignac number, because 537470657 - 2⁴ = 537470641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537470617) 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, 15807944 + ... + 15807977.

It is an arithmetic number, because the mean of its divisors is an integer number (142271649).

Almost surely, 2^537470657 is an apocalyptic number.

It is an amenable number.

537470657 is a deficient number, since it is larger than the sum of its proper divisors (31615939).

537470657 is a wasteful number, since it uses less digits than its factorization.

537470657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31615938.

The product of its (nonzero) digits is 617400, while the sum is 44.

The square root of 537470657 is about 23183.4134026894. The cubic root of 537470657 is about 813.0518700260.

The spelling of 537470657 in words is "five hundred thirty-seven million, four hundred seventy thousand, six hundred fifty-seven".