36613957 has 2 divisors, whose sum is σ = 36613958. Its totient is φ = 36613956.

The previous prime is 36613909. The next prime is 36613961. The reversal of 36613957 is 75931663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28740321 + 7873636 = 5361^2 + 2806^2 .

It is an emirp because it is prime and its reverse (75931663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36613957 - 2¹⁵ = 36581189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36610957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18306978 + 18306979.

It is an arithmetic number, because the mean of its divisors is an integer number (18306979).

Almost surely, 2^36613957 is an apocalyptic number.

It is an amenable number.

36613957 is a deficient number, since it is larger than the sum of its proper divisors (1).

36613957 is an equidigital number, since it uses as much as digits as its factorization.

36613957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 40.

The square root of 36613957 is about 6050.9467854213. The cubic root of 36613957 is about 332.0592294047.

The spelling of 36613957 in words is "thirty-six million, six hundred thirteen thousand, nine hundred fifty-seven".