479497481 has 4 divisors (see below), whose sum is σ = 484440852. Its totient is φ = 474554112.

The previous prime is 479497477. The next prime is 479497483. The reversal of 479497481 is 184794974.

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 307651600 + 171845881 = 17540^2 + 13109^2 .

It is a cyclic number.

It is not a de Polignac number, because 479497481 - 2² = 479497477 is a prime.

It is a super-2 number, since 2×479497481² = 459835668570690722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479497483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2471540 + ... + 2471733.

It is an arithmetic number, because the mean of its divisors is an integer number (121110213).

Almost surely, 2^479497481 is an apocalyptic number.

It is an amenable number.

479497481 is a deficient number, since it is larger than the sum of its proper divisors (4943371).

479497481 is an equidigital number, since it uses as much as digits as its factorization.

479497481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4943370.

The product of its digits is 2032128, while the sum is 53.

The square root of 479497481 is about 21897.4309223708. The cubic root of 479497481 is about 782.7001973585.

The spelling of 479497481 in words is "four hundred seventy-nine million, four hundred ninety-seven thousand, four hundred eighty-one".