464511531 has 16 divisors (see below), whose sum is σ = 698952960. Its totient is φ = 271813920.

The previous prime is 464511529. The next prime is 464511581. The reversal of 464511531 is 135115464.

It is a happy number.

It is not a de Polignac number, because 464511531 - 2¹ = 464511529 is a prime.

It is a super-2 number, since 2×464511531² = 431541924863927922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (464511581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241735 + ... + 243648.

It is an arithmetic number, because the mean of its divisors is an integer number (43684560).

Almost surely, 2^464511531 is an apocalyptic number.

464511531 is a deficient number, since it is larger than the sum of its proper divisors (234441429).

464511531 is a wasteful number, since it uses less digits than its factorization.

464511531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485426.

The product of its digits is 7200, while the sum is 30.

The square root of 464511531 is about 21552.5295731151. The cubic root of 464511531 is about 774.4597169486.

Adding to 464511531 its reverse (135115464), we get a palindrome (599626995).

The spelling of 464511531 in words is "four hundred sixty-four million, five hundred eleven thousand, five hundred thirty-one".