503390461 has 4 divisors (see below), whose sum is σ = 575303392. Its totient is φ = 431477532.

The previous prime is 503390441. The next prime is 503390467. The reversal of 503390461 is 164093305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 503390461 - 2⁵ = 503390429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503390467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35956455 + ... + 35956468.

It is an arithmetic number, because the mean of its divisors is an integer number (143825848).

Almost surely, 2^503390461 is an apocalyptic number.

It is an amenable number.

503390461 is a deficient number, since it is larger than the sum of its proper divisors (71912931).

503390461 is an equidigital number, since it uses as much as digits as its factorization.

503390461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71912930.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 503390461 is about 22436.3647010829. The cubic root of 503390461 is about 795.4904933032.

The spelling of 503390461 in words is "five hundred three million, three hundred ninety thousand, four hundred sixty-one".