36633013 has 4 divisors (see below), whose sum is σ = 36661068. Its totient is φ = 36604960.

The previous prime is 36632993. The next prime is 36633031. The reversal of 36633013 is 31033663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31033663 = 67 ⋅463189.

It can be written as a sum of positive squares in 2 ways, for example, as 16499844 + 20133169 = 4062^2 + 4487^2 .

It is a cyclic number.

It is not a de Polignac number, because 36633013 - 2²¹ = 34535861 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 (36633713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11968 + ... + 14713.

It is an arithmetic number, because the mean of its divisors is an integer number (9165267).

Almost surely, 2^36633013 is an apocalyptic number.

It is an amenable number.

36633013 is a deficient number, since it is larger than the sum of its proper divisors (28055).

36633013 is a wasteful number, since it uses less digits than its factorization.

36633013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28054.

The product of its (nonzero) digits is 2916, while the sum is 25.

The square root of 36633013 is about 6052.5212102065. The cubic root of 36633013 is about 332.1168269598.

Adding to 36633013 its reverse (31033663), we get a palindrome (67666676).

The spelling of 36633013 in words is "thirty-six million, six hundred thirty-three thousand, thirteen".