503764961 has 16 divisors (see below), whose sum is σ = 615009024. Its totient is φ = 402791424.

The previous prime is 503764949. The next prime is 503764967. The reversal of 503764961 is 169467305.

It is not a de Polignac number, because 503764961 - 2¹⁰ = 503763937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (503764967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5285 + ... + 32178.

It is an arithmetic number, because the mean of its divisors is an integer number (38438064).

Almost surely, 2^503764961 is an apocalyptic number.

It is an amenable number.

503764961 is a deficient number, since it is larger than the sum of its proper divisors (111244063).

503764961 is a wasteful number, since it uses less digits than its factorization.

503764961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37600.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 503764961 is about 22444.7089756138. The cubic root of 503764961 is about 795.6877141922.

The spelling of 503764961 in words is "five hundred three million, seven hundred sixty-four thousand, nine hundred sixty-one".