36695521 has 2 divisors, whose sum is σ = 36695522. Its totient is φ = 36695520.

The previous prime is 36695497. The next prime is 36695539. The reversal of 36695521 is 12559663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20575296 + 16120225 = 4536^2 + 4015^2 .

It is a cyclic number.

It is not a de Polignac number, because 36695521 - 2¹⁵ = 36662753 is a prime.

It is a super-2 number, since 2×36695521² = 2693122522922882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36695551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18347760 + 18347761.

It is an arithmetic number, because the mean of its divisors is an integer number (18347761).

Almost surely, 2^36695521 is an apocalyptic number.

It is an amenable number.

36695521 is a deficient number, since it is larger than the sum of its proper divisors (1).

36695521 is an equidigital number, since it uses as much as digits as its factorization.

36695521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The square root of 36695521 is about 6057.6828078070. The cubic root of 36695521 is about 332.3056198939.

The spelling of 36695521 in words is "thirty-six million, six hundred ninety-five thousand, five hundred twenty-one".