537213069 has 6 divisors (see below), whose sum is σ = 775974446. Its totient is φ = 358142040.

The previous prime is 537213067. The next prime is 537213091. The reversal of 537213069 is 960312735.

It can be written as a sum of positive squares in only one way, i.e., 510308100 + 26904969 = 22590^2 + 5187^2 .

It is not a de Polignac number, because 537213069 - 2¹ = 537213067 is a prime.

It is a super-2 number, since 2×537213069² = 577195763008797522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537213067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29845162 + ... + 29845179.

Almost surely, 2^537213069 is an apocalyptic number.

It is an amenable number.

537213069 is a deficient number, since it is larger than the sum of its proper divisors (238761377).

537213069 is a wasteful number, since it uses less digits than its factorization.

537213069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59690347 (or 59690344 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 537213069 is about 23177.8572995866. The cubic root of 537213069 is about 812.9219616185.

The spelling of 537213069 in words is "five hundred thirty-seven million, two hundred thirteen thousand, sixty-nine".