359521 has 4 divisors (see below), whose sum is σ = 361152. Its totient is φ = 357892.

The previous prime is 359509. The next prime is 359539. The reversal of 359521 is 125953.

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 359521 - 2¹¹ = 357473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (359501) 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, 421 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (90288).

2³⁵⁹⁵²¹ is an apocalyptic number.

359521 is the 321-st centered heptagonal number.

It is an amenable number.

359521 is a deficient number, since it is larger than the sum of its proper divisors (1631).

359521 is a wasteful number, since it uses less digits than its factorization.

359521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its digits is 1350, while the sum is 25.

The square root of 359521 is about 599.6007004666. The cubic root of 359521 is about 71.1063011250.

It can be divided in two parts, 35952 and 1, that added together give a palindrome (35953).

The spelling of 359521 in words is "three hundred fifty-nine thousand, five hundred twenty-one".