36520897 has 4 divisors (see below), whose sum is σ = 41738176. Its totient is φ = 31303620.

The previous prime is 36520877. The next prime is 36520901. The reversal of 36520897 is 79802563.

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 36520897 - 2¹⁵ = 36488129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36520807) 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 in 3 ways as a sum of consecutive naturals, for example, 2608629 + ... + 2608642.

It is an arithmetic number, because the mean of its divisors is an integer number (10434544).

Almost surely, 2^36520897 is an apocalyptic number.

It is an amenable number.

36520897 is a deficient number, since it is larger than the sum of its proper divisors (5217279).

36520897 is an equidigital number, since it uses as much as digits as its factorization.

36520897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217278.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 36520897 is about 6043.2521873574. The cubic root of 36520897 is about 331.7776641975. Note that the first 3 decimals are identical.

The spelling of 36520897 in words is "thirty-six million, five hundred twenty thousand, eight hundred ninety-seven".