652465489 has 8 divisors (see below), whose sum is σ = 702879912. Its totient is φ = 602083200.

The previous prime is 652465469. The next prime is 652465501. The reversal of 652465489 is 984564256.

It can be written as a sum of positive squares in 4 ways, for example, as 173889 + 652291600 = 417^2 + 25540^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 652465489 - 2¹⁵ = 652432721 is a prime.

It is a super-2 number, since 2×652465489² = 851422428672018242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652465469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49389 + ... + 61189.

It is an arithmetic number, because the mean of its divisors is an integer number (87859989).

Almost surely, 2^652465489 is an apocalyptic number.

It is an amenable number.

652465489 is a deficient number, since it is larger than the sum of its proper divisors (50414423).

652465489 is a wasteful number, since it uses less digits than its factorization.

652465489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16067.

The product of its digits is 2073600, while the sum is 49.

The square root of 652465489 is about 25543.4040213907. The cubic root of 652465489 is about 867.3329557913.

The spelling of 652465489 in words is "six hundred fifty-two million, four hundred sixty-five thousand, four hundred eighty-nine".