36240613 has 2 divisors, whose sum is σ = 36240614. Its totient is φ = 36240612.

The previous prime is 36240599. The next prime is 36240623. The reversal of 36240613 is 31604263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29778849 + 6461764 = 5457^2 + 2542^2 .

It is an emirp because it is prime and its reverse (31604263) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36240613 is a prime.

It is equal to p_2218057 and since 36240613 and 2218057 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36240623) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18120306 + 18120307.

It is an arithmetic number, because the mean of its divisors is an integer number (18120307).

Almost surely, 2^36240613 is an apocalyptic number.

It is an amenable number.

36240613 is a deficient number, since it is larger than the sum of its proper divisors (1).

36240613 is an equidigital number, since it uses as much as digits as its factorization.

36240613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 36240613 is about 6020.0176910039. The cubic root of 36240613 is about 330.9267277868.

Adding to 36240613 its reverse (31604263), we get a palindrome (67844876).

The spelling of 36240613 in words is "thirty-six million, two hundred forty thousand, six hundred thirteen".