364521521 has 16 divisors (see below), whose sum is σ = 460771584. Its totient is φ = 280615104.

The previous prime is 364521427. The next prime is 364521533. The reversal of 364521521 is 125125463.

It is not a de Polignac number, because 364521521 - 2¹⁴ = 364505137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (364521541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50765 + ... + 57498.

It is an arithmetic number, because the mean of its divisors is an integer number (28798224).

Almost surely, 2^364521521 is an apocalyptic number.

It is an amenable number.

364521521 is a deficient number, since it is larger than the sum of its proper divisors (96250063).

364521521 is a wasteful number, since it uses less digits than its factorization.

364521521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108320.

The product of its digits is 7200, while the sum is 29.

The square root of 364521521 is about 19092.4467002006. The cubic root of 364521521 is about 714.3445317337.

Adding to 364521521 its reverse (125125463), we get a palindrome (489646984).

It can be divided in two parts, 36452 and 1521, that added together give a palindrome (37973).

The spelling of 364521521 in words is "three hundred sixty-four million, five hundred twenty-one thousand, five hundred twenty-one".