501424399 has 6 divisors (see below), whose sum is σ = 583289664. Its totient is φ = 429792300.

The previous prime is 501424397. The next prime is 501424433. The reversal of 501424399 is 993424105.

It is not a de Polignac number, because 501424399 - 2¹ = 501424397 is a prime.

It is a super-2 number, since 2×501424399² = 502852855825022402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501424397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5116527 + ... + 5116624.

It is an arithmetic number, because the mean of its divisors is an integer number (97214944).

Almost surely, 2^501424399 is an apocalyptic number.

501424399 is a deficient number, since it is larger than the sum of its proper divisors (81865265).

501424399 is a wasteful number, since it uses less digits than its factorization.

501424399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233165 (or 10233158 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 501424399 is about 22392.5076532308. The cubic root of 501424399 is about 794.4535088944.

The spelling of 501424399 in words is "five hundred one million, four hundred twenty-four thousand, three hundred ninety-nine".