537896165 has 4 divisors (see below), whose sum is σ = 645475404. Its totient is φ = 430316928.

The previous prime is 537896141. The next prime is 537896173. The reversal of 537896165 is 561698735.

It is a happy number.

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 349465636 + 188430529 = 18694^2 + 13727^2 .

It is a cyclic number.

It is not a de Polignac number, because 537896165 - 2¹⁴ = 537879781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53789612 + ... + 53789621.

It is an arithmetic number, because the mean of its divisors is an integer number (161368851).

Almost surely, 2^537896165 is an apocalyptic number.

It is an amenable number.

537896165 is a deficient number, since it is larger than the sum of its proper divisors (107579239).

537896165 is a wasteful number, since it uses less digits than its factorization.

537896165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107579238.

The product of its digits is 1360800, while the sum is 50.

The square root of 537896165 is about 23192.5885791129. The cubic root of 537896165 is about 813.2663740264.

The spelling of 537896165 in words is "five hundred thirty-seven million, eight hundred ninety-six thousand, one hundred sixty-five".