500428801 has 2 divisors, whose sum is σ = 500428802. Its totient is φ = 500428800.

The previous prime is 500428781. The next prime is 500428823. The reversal of 500428801 is 108824005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388090000 + 112338801 = 19700^2 + 10599^2 .

It is a cyclic number.

It is not a de Polignac number, because 500428801 - 2⁵ = 500428769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 500428801.

It is not a weakly prime, because it can be changed into another prime (500420801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250214400 + 250214401.

It is an arithmetic number, because the mean of its divisors is an integer number (250214401).

Almost surely, 2^500428801 is an apocalyptic number.

It is an amenable number.

500428801 is a deficient number, since it is larger than the sum of its proper divisors (1).

500428801 is an equidigital number, since it uses as much as digits as its factorization.

500428801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 500428801 is about 22370.2660019947. The cubic root of 500428801 is about 793.9273542065.

The spelling of 500428801 in words is "five hundred million, four hundred twenty-eight thousand, eight hundred one".