501260965 has 16 divisors (see below), whose sum is σ = 631686528. Its totient is φ = 381116736.

The previous prime is 501260953. The next prime is 501261001. The reversal of 501260965 is 569062105.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501260965 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 501260965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4174 + ... + 31936.

It is an arithmetic number, because the mean of its divisors is an integer number (39480408).

Almost surely, 2^501260965 is an apocalyptic number.

It is an amenable number.

501260965 is a deficient number, since it is larger than the sum of its proper divisors (130425563).

501260965 is a wasteful number, since it uses less digits than its factorization.

501260965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27948.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 501260965 is about 22388.8580548450. The cubic root of 501260965 is about 794.3671849312.

The spelling of 501260965 in words is "five hundred one million, two hundred sixty thousand, nine hundred sixty-five".