503620465 has 4 divisors (see below), whose sum is σ = 604344564. Its totient is φ = 402896368.

The previous prime is 503620423. The next prime is 503620477. The reversal of 503620465 is 564026305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 264485169 + 239135296 = 16263^2 + 15464^2 .

It is a cyclic number.

It is not a de Polignac number, because 503620465 - 2¹⁹ = 503096177 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 50362042 + ... + 50362051.

It is an arithmetic number, because the mean of its divisors is an integer number (151086141).

Almost surely, 2^503620465 is an apocalyptic number.

It is an amenable number.

503620465 is a deficient number, since it is larger than the sum of its proper divisors (100724099).

503620465 is a wasteful number, since it uses less digits than its factorization.

503620465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100724098.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 503620465 is about 22441.4898123988. The cubic root of 503620465 is about 795.6116306379.

The spelling of 503620465 in words is "five hundred three million, six hundred twenty thousand, four hundred sixty-five".