500061431 has 4 divisors (see below), whose sum is σ = 500446512. Its totient is φ = 499676352.

The previous prime is 500061427. The next prime is 500061473. The reversal of 500061431 is 134160005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 500061431 - 2² = 500061427 is a prime.

It is a super-2 number, since 2×500061431² = 500122869547535522, 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 (500061421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190586 + ... + 193191.

It is an arithmetic number, because the mean of its divisors is an integer number (125111628).

Almost surely, 2^500061431 is an apocalyptic number.

500061431 is a deficient number, since it is larger than the sum of its proper divisors (385081).

500061431 is a wasteful number, since it uses less digits than its factorization.

500061431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385080.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 500061431 is about 22362.0533717277. The cubic root of 500061431 is about 793.7330298643.

The spelling of 500061431 in words is "five hundred million, sixty-one thousand, four hundred thirty-one".