364521 has 4 divisors (see below), whose sum is σ = 486032. Its totient is φ = 243012.

The previous prime is 364513. The next prime is 364523. The reversal of 364521 is 125463.

It is a happy number.

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 not a de Polignac number, because 364521 - 2³ = 364513 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 364521.

It is not an unprimeable number, because it can be changed into a prime (364523) 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, 60751 + ... + 60756.

It is an arithmetic number, because the mean of its divisors is an integer number (121508).

2³⁶⁴⁵²¹ is an apocalyptic number.

It is an amenable number.

364521 is a deficient number, since it is larger than the sum of its proper divisors (121511).

364521 is a wasteful number, since it uses less digits than its factorization.

364521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121510.

The product of its digits is 720, while the sum is 21.

The square root of 364521 is about 603.7557453143. The cubic root of 364521 is about 71.4344191403.

Adding to 364521 its reverse (125463), we get a palindrome (489984).

The spelling of 364521 in words is "three hundred sixty-four thousand, five hundred twenty-one".