36305613 has 6 divisors (see below), whose sum is σ = 52441454. Its totient is φ = 24203736.

The previous prime is 36305603. The next prime is 36305629. The reversal of 36305613 is 31650363.

It can be written as a sum of positive squares in only one way, i.e., 20766249 + 15539364 = 4557^2 + 3942^2 .

It is not a de Polignac number, because 36305613 - 2²² = 32111309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36305603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2016970 + ... + 2016987.

Almost surely, 2^36305613 is an apocalyptic number.

It is an amenable number.

36305613 is a deficient number, since it is larger than the sum of its proper divisors (16135841).

36305613 is a wasteful number, since it uses less digits than its factorization.

36305613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033963 (or 4033960 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 36305613 is about 6025.4139276899. The cubic root of 36305613 is about 331.1244561391.

Adding to 36305613 its reverse (31650363), we get a palindrome (67955976).

The spelling of 36305613 in words is "thirty-six million, three hundred five thousand, six hundred thirteen".