503255540531 has 8 divisors (see below), whose sum is σ = 506092514928. Its totient is φ = 500419188000.

The previous prime is 503255540497. The next prime is 503255540537. The reversal of 503255540531 is 135045552305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503255540531 - 2⁶ = 503255540467 is a prime.

It is a super-2 number, since 2×503255540531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503255540537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518236 + ... + 1819766.

It is an arithmetic number, because the mean of its divisors is an integer number (63261564366).

Almost surely, 2^503255540531 is an apocalyptic number.

503255540531 is a deficient number, since it is larger than the sum of its proper divisors (2836974397).

503255540531 is a wasteful number, since it uses less digits than its factorization.

503255540531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310933.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 503255540531 in words is "five hundred three billion, two hundred fifty-five million, five hundred forty thousand, five hundred thirty-one".