478325631 has 16 divisors (see below), whose sum is σ = 735692544. Its totient is φ = 270773184.

The previous prime is 478325609. The next prime is 478325633. The reversal of 478325631 is 136523874.

It is not a de Polignac number, because 478325631 - 2⁵ = 478325599 is a prime.

It is a super-2 number, since 2×478325631² = 457590818543096322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 478325631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478325633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104190 + ... + 108683.

It is an arithmetic number, because the mean of its divisors is an integer number (45980784).

Almost surely, 2^478325631 is an apocalyptic number.

478325631 is a deficient number, since it is larger than the sum of its proper divisors (257366913).

478325631 is a wasteful number, since it uses less digits than its factorization.

478325631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212990.

The product of its digits is 120960, while the sum is 39.

The square root of 478325631 is about 21870.6568488466. The cubic root of 478325631 is about 782.0620602321.

The spelling of 478325631 in words is "four hundred seventy-eight million, three hundred twenty-five thousand, six hundred thirty-one".