36404501 has 6 divisors (see below), whose sum is σ = 42348150. Its totient is φ = 31203816.

The previous prime is 36404477. The next prime is 36404521. The reversal of 36404501 is 10540463.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35402500 + 1002001 = 5950^2 + 1001^2 .

It is not a de Polignac number, because 36404501 - 2²² = 32210197 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 (36404521) 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, 371426 + ... + 371523.

It is an arithmetic number, because the mean of its divisors is an integer number (7058025).

Almost surely, 2^36404501 is an apocalyptic number.

It is an amenable number.

36404501 is a deficient number, since it is larger than the sum of its proper divisors (5943649).

36404501 is an equidigital number, since it uses as much as digits as its factorization.

36404501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742963 (or 742956 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 36404501 is about 6033.6142568116. The cubic root of 36404501 is about 331.4248187939.

Adding to 36404501 its reverse (10540463), we get a palindrome (46944964).

The spelling of 36404501 in words is "thirty-six million, four hundred four thousand, five hundred one".