503561375 has 8 divisors (see below), whose sum is σ = 628444752. Its totient is φ = 402849000.

The previous prime is 503561371. The next prime is 503561411. The reversal of 503561375 is 573165305.

It is not a de Polignac number, because 503561375 - 2² = 503561371 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 (503561371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014121 + ... + 2014370.

It is an arithmetic number, because the mean of its divisors is an integer number (78555594).

Almost surely, 2^503561375 is an apocalyptic number.

503561375 is a deficient number, since it is larger than the sum of its proper divisors (124883377).

503561375 is an equidigital number, since it uses as much as digits as its factorization.

503561375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028506 (or 4028496 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 35.

The square root of 503561375 is about 22440.1732390817. The cubic root of 503561375 is about 795.5805129389.

The spelling of 503561375 in words is "five hundred three million, five hundred sixty-one thousand, three hundred seventy-five".