36664541 has 2 divisors, whose sum is σ = 36664542. Its totient is φ = 36664540.

The previous prime is 36664531. The next prime is 36664543. The reversal of 36664541 is 14546663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25300900 + 11363641 = 5030^2 + 3371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36664541 is a prime.

Together with 36664543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36664543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18332270 + 18332271.

It is an arithmetic number, because the mean of its divisors is an integer number (18332271).

Almost surely, 2^36664541 is an apocalyptic number.

It is an amenable number.

36664541 is a deficient number, since it is larger than the sum of its proper divisors (1).

36664541 is an equidigital number, since it uses as much as digits as its factorization.

36664541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 36664541 is about 6055.1251845028. The cubic root of 36664541 is about 332.2120778093.

The spelling of 36664541 in words is "thirty-six million, six hundred sixty-four thousand, five hundred forty-one".