665010532 has 12 divisors (see below), whose sum is σ = 1182847036. Its totient is φ = 327054240.

The previous prime is 665010527. The next prime is 665010547. The reversal of 665010532 is 235010566.

It can be written as a sum of positive squares in 2 ways, for example, as 86415616 + 578594916 = 9296^2 + 24054^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 665010532.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1362483 + ... + 1362970.

Almost surely, 2^665010532 is an apocalyptic number.

It is an amenable number.

665010532 is a deficient number, since it is larger than the sum of its proper divisors (517836504).

665010532 is a wasteful number, since it uses less digits than its factorization.

665010532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725518 (or 2725516 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 665010532 is about 25787.7981223679. The cubic root of 665010532 is about 872.8564814521.

The spelling of 665010532 in words is "six hundred sixty-five million, ten thousand, five hundred thirty-two".