501563089 has 2 divisors, whose sum is σ = 501563090. Its totient is φ = 501563088.

The previous prime is 501563081. The next prime is 501563113. The reversal of 501563089 is 980365105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295152400 + 206410689 = 17180^2 + 14367^2 .

It is a cyclic number.

It is not a de Polignac number, because 501563089 - 2³ = 501563081 is a prime.

It is not a weakly prime, because it can be changed into another prime (501563081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250781544 + 250781545.

It is an arithmetic number, because the mean of its divisors is an integer number (250781545).

Almost surely, 2^501563089 is an apocalyptic number.

It is an amenable number.

501563089 is a deficient number, since it is larger than the sum of its proper divisors (1).

501563089 is an equidigital number, since it uses as much as digits as its factorization.

501563089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 501563089 is about 22395.6042338670. The cubic root of 501563089 is about 794.5267486492.

The spelling of 501563089 in words is "five hundred one million, five hundred sixty-three thousand, eighty-nine".