36209713 has 2 divisors, whose sum is σ = 36209714. Its totient is φ = 36209712.

The previous prime is 36209707. The next prime is 36209737. The reversal of 36209713 is 31790263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30217009 + 5992704 = 5497^2 + 2448^2 .

It is an emirp because it is prime and its reverse (31790263) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36209713 is a prime.

It is a super-2 number, since 2×36209713² = 2622286631084738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36209743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18104856 + 18104857.

It is an arithmetic number, because the mean of its divisors is an integer number (18104857).

Almost surely, 2^36209713 is an apocalyptic number.

It is an amenable number.

36209713 is a deficient number, since it is larger than the sum of its proper divisors (1).

36209713 is an equidigital number, since it uses as much as digits as its factorization.

36209713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 36209713 is about 6017.4507060715. The cubic root of 36209713 is about 330.8326478522.

Adding to 36209713 its reverse (31790263), we get a palindrome (67999976).

The spelling of 36209713 in words is "thirty-six million, two hundred nine thousand, seven hundred thirteen".