36621361 has 4 divisors (see below), whose sum is σ = 41852992. Its totient is φ = 31389732.

The previous prime is 36621331. The next prime is 36621397. The reversal of 36621361 is 16312663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36621361 - 2²¹ = 34524209 is a prime.

It is a super-2 number, since 2×36621361² = 2682248162984642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36621301) 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, 2615805 + ... + 2615818.

It is an arithmetic number, because the mean of its divisors is an integer number (10463248).

Almost surely, 2^36621361 is an apocalyptic number.

It is an amenable number.

36621361 is a deficient number, since it is larger than the sum of its proper divisors (5231631).

36621361 is an equidigital number, since it uses as much as digits as its factorization.

36621361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231630.

The product of its digits is 3888, while the sum is 28.

The square root of 36621361 is about 6051.5585595779. The cubic root of 36621361 is about 332.0816106770.

The spelling of 36621361 in words is "thirty-six million, six hundred twenty-one thousand, three hundred sixty-one".