478132903 has 2 divisors, whose sum is σ = 478132904. Its totient is φ = 478132902.

The previous prime is 478132883. The next prime is 478132909. The reversal of 478132903 is 309231874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478132903 is a prime.

It is a super-2 number, since 2×478132903² = 457222145862414818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478132909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239066451 + 239066452.

It is an arithmetic number, because the mean of its divisors is an integer number (239066452).

Almost surely, 2^478132903 is an apocalyptic number.

478132903 is a deficient number, since it is larger than the sum of its proper divisors (1).

478132903 is an equidigital number, since it uses as much as digits as its factorization.

478132903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 478132903 is about 21866.2503186989. The cubic root of 478132903 is about 781.9570094083.

The spelling of 478132903 in words is "four hundred seventy-eight million, one hundred thirty-two thousand, nine hundred three".