36517381 has 2 divisors, whose sum is σ = 36517382. Its totient is φ = 36517380.

The previous prime is 36517357. The next prime is 36517417. The reversal of 36517381 is 18371563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27720225 + 8797156 = 5265^2 + 2966^2 .

It is a cyclic number.

It is not a de Polignac number, because 36517381 - 2⁹ = 36516869 is a prime.

It is a super-2 number, since 2×36517381² = 2667038230198322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36517321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18258690 + 18258691.

It is an arithmetic number, because the mean of its divisors is an integer number (18258691).

Almost surely, 2^36517381 is an apocalyptic number.

It is an amenable number.

36517381 is a deficient number, since it is larger than the sum of its proper divisors (1).

36517381 is an equidigital number, since it uses as much as digits as its factorization.

36517381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 36517381 is about 6042.9612773871. The cubic root of 36517381 is about 331.7670167071.

The spelling of 36517381 in words is "thirty-six million, five hundred seventeen thousand, three hundred eighty-one".