537565667 has 4 divisors (see below), whose sum is σ = 537615000. Its totient is φ = 537516336.

The previous prime is 537565643. The next prime is 537565709. The reversal of 537565667 is 766565735.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 537565667 - 2²⁴ = 520788451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537562667) 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, 293 + ... + 32790.

It is an arithmetic number, because the mean of its divisors is an integer number (134403750).

Almost surely, 2^537565667 is an apocalyptic number.

537565667 is a deficient number, since it is larger than the sum of its proper divisors (49333).

537565667 is a wasteful number, since it uses less digits than its factorization.

537565667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49332.

The product of its digits is 3969000, while the sum is 50.

The square root of 537565667 is about 23185.4624064305. The cubic root of 537565667 is about 813.0997755913.

The spelling of 537565667 in words is "five hundred thirty-seven million, five hundred sixty-five thousand, six hundred sixty-seven".