537520113 has 12 divisors (see below), whose sum is σ = 836142580. Its totient is φ = 330781536.

The previous prime is 537520111. The next prime is 537520141. The reversal of 537520113 is 311025735.

It can be written as a sum of positive squares in 2 ways, for example, as 211789809 + 325730304 = 14553^2 + 18048^2 .

It is not a de Polignac number, because 537520113 - 2¹ = 537520111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537520111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2296978 + ... + 2297211.

Almost surely, 2^537520113 is an apocalyptic number.

It is an amenable number.

537520113 is a deficient number, since it is larger than the sum of its proper divisors (298622467).

537520113 is a wasteful number, since it uses less digits than its factorization.

537520113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594208 (or 4594205 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 537520113 is about 23184.4800027950. The cubic root of 537520113 is about 813.0768072386.

Adding to 537520113 its reverse (311025735), we get a palindrome (848545848).

The spelling of 537520113 in words is "five hundred thirty-seven million, five hundred twenty thousand, one hundred thirteen".