464359521 has 4 divisors (see below), whose sum is σ = 619146032. Its totient is φ = 309573012.

The previous prime is 464359501. The next prime is 464359531. The reversal of 464359521 is 125953464.

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 464359521 - 2¹⁷ = 464228449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 464359521.

It is not an unprimeable number, because it can be changed into a prime (464359501) 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, 77393251 + ... + 77393256.

It is an arithmetic number, because the mean of its divisors is an integer number (154786508).

Almost surely, 2^464359521 is an apocalyptic number.

It is an amenable number.

464359521 is a deficient number, since it is larger than the sum of its proper divisors (154786511).

464359521 is a wasteful number, since it uses less digits than its factorization.

464359521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154786510.

The product of its digits is 129600, while the sum is 39.

The square root of 464359521 is about 21549.0027843518. The cubic root of 464359521 is about 774.3752278615.

The spelling of 464359521 in words is "four hundred sixty-four million, three hundred fifty-nine thousand, five hundred twenty-one".