536686637 has 2 divisors, whose sum is σ = 536686638. Its totient is φ = 536686636.

The previous prime is 536686621. The next prime is 536686649. The reversal of 536686637 is 736686635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405377956 + 131308681 = 20134^2 + 11459^2 .

It is a cyclic number.

It is not a de Polignac number, because 536686637 - 2⁴ = 536686621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536686687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268343318 + 268343319.

It is an arithmetic number, because the mean of its divisors is an integer number (268343319).

Almost surely, 2^536686637 is an apocalyptic number.

It is an amenable number.

536686637 is a deficient number, since it is larger than the sum of its proper divisors (1).

536686637 is an equidigital number, since it uses as much as digits as its factorization.

536686637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 50.

The square root of 536686637 is about 23166.4981600586. The cubic root of 536686637 is about 812.6563388941.

The spelling of 536686637 in words is "five hundred thirty-six million, six hundred eighty-six thousand, six hundred thirty-seven".