501897089 has 8 divisors (see below), whose sum is σ = 508007808. Its totient is φ = 495812880.

The previous prime is 501897059. The next prime is 501897101. The reversal of 501897089 is 980798105.

It is a happy number.

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 501897089 - 2⁸ = 501896833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501897059) 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, 32879 + ... + 45659.

It is an arithmetic number, because the mean of its divisors is an integer number (63500976).

Almost surely, 2^501897089 is an apocalyptic number.

It is an amenable number.

501897089 is a deficient number, since it is larger than the sum of its proper divisors (6110719).

501897089 is a wasteful number, since it uses less digits than its factorization.

501897089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13255.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 501897089 is about 22403.0598133380. The cubic root of 501897089 is about 794.7030727956.

The spelling of 501897089 in words is "five hundred one million, eight hundred ninety-seven thousand, eighty-nine".