500221495 has 16 divisors (see below), whose sum is σ = 608842080. Its totient is φ = 394481664.

The previous prime is 500221439. The next prime is 500221511. The reversal of 500221495 is 594122005.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500221495 is a prime.

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, 238411 + ... + 240499.

It is an arithmetic number, because the mean of its divisors is an integer number (38052630).

Almost surely, 2^500221495 is an apocalyptic number.

500221495 is a deficient number, since it is larger than the sum of its proper divisors (108620585).

500221495 is a wasteful number, since it uses less digits than its factorization.

500221495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 500221495 is about 22365.6320053783. The cubic root of 500221495 is about 793.8177091475.

The spelling of 500221495 in words is "five hundred million, two hundred twenty-one thousand, four hundred ninety-five".