501621245 has 16 divisors (see below), whose sum is σ = 616256640. Its totient is φ = 391848000.

The previous prime is 501621233. The next prime is 501621251. The reversal of 501621245 is 542126105.

It is not a de Polignac number, because 501621245 - 2⁶ = 501621181 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, 38915 + ... + 50175.

It is an arithmetic number, because the mean of its divisors is an integer number (38516040).

Almost surely, 2^501621245 is an apocalyptic number.

It is an amenable number.

501621245 is a deficient number, since it is larger than the sum of its proper divisors (114635395).

501621245 is a wasteful number, since it uses less digits than its factorization.

501621245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11476.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 501621245 is about 22396.9025760260. The cubic root of 501621245 is about 794.5574557944.

The spelling of 501621245 in words is "five hundred one million, six hundred twenty-one thousand, two hundred forty-five".