36115517 has 2 divisors, whose sum is σ = 36115518. Its totient is φ = 36115516.

The previous prime is 36115501. The next prime is 36115553. The reversal of 36115517 is 71551163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31595641 + 4519876 = 5621^2 + 2126^2 .

It is an emirp because it is prime and its reverse (71551163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36115517 - 2⁴ = 36115501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36115517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36114517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18057758 + 18057759.

It is an arithmetic number, because the mean of its divisors is an integer number (18057759).

Almost surely, 2^36115517 is an apocalyptic number.

It is an amenable number.

36115517 is a deficient number, since it is larger than the sum of its proper divisors (1).

36115517 is an equidigital number, since it uses as much as digits as its factorization.

36115517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 29.

The square root of 36115517 is about 6009.6187067068. The cubic root of 36115517 is about 330.5455225551.

The spelling of 36115517 in words is "thirty-six million, one hundred fifteen thousand, five hundred seventeen".