503763481 has 6 divisors (see below), whose sum is σ = 545495550. Its totient is φ = 465012288.

The previous prime is 503763451. The next prime is 503763493. The reversal of 503763481 is 184367305.

It can be written as a sum of positive squares in 3 ways, for example, as 27825625 + 475937856 = 5275^2 + 21816^2 .

It is not a de Polignac number, because 503763481 - 2⁷ = 503763353 is a prime.

It is a super-2 number, since 2×503763481² = 507555289578474722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503763481.

It is not an unprimeable number, because it can be changed into a prime (503763401) 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 5 ways as a sum of consecutive naturals, for example, 1490256 + ... + 1490593.

It is an arithmetic number, because the mean of its divisors is an integer number (90915925).

Almost surely, 2^503763481 is an apocalyptic number.

It is an amenable number.

503763481 is a deficient number, since it is larger than the sum of its proper divisors (41732069).

503763481 is a wasteful number, since it uses less digits than its factorization.

503763481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980875 (or 2980862 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 503763481 is about 22444.6760056812. The cubic root of 503763481 is about 795.6869349803.

The spelling of 503763481 in words is "five hundred three million, seven hundred sixty-three thousand, four hundred eighty-one".