478551263 has 2 divisors, whose sum is σ = 478551264. Its totient is φ = 478551262.

The previous prime is 478551259. The next prime is 478551313. The reversal of 478551263 is 362155874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478551263 - 2² = 478551259 is a prime.

It is a super-2 number, since 2×478551263² = 458022622637790338, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478551263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478551763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239275631 + 239275632.

It is an arithmetic number, because the mean of its divisors is an integer number (239275632).

Almost surely, 2^478551263 is an apocalyptic number.

478551263 is a deficient number, since it is larger than the sum of its proper divisors (1).

478551263 is an equidigital number, since it uses as much as digits as its factorization.

478551263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 41.

The square root of 478551263 is about 21875.8145676910. The cubic root of 478551263 is about 782.1850102874.

The spelling of 478551263 in words is "four hundred seventy-eight million, five hundred fifty-one thousand, two hundred sixty-three".