475465391 has 2 divisors, whose sum is σ = 475465392. Its totient is φ = 475465390.

The previous prime is 475465369. The next prime is 475465399. The reversal of 475465391 is 193564574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475465391 - 2²⁶ = 408356527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475465399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237732695 + 237732696.

It is an arithmetic number, because the mean of its divisors is an integer number (237732696).

Almost surely, 2^475465391 is an apocalyptic number.

475465391 is a deficient number, since it is larger than the sum of its proper divisors (1).

475465391 is an equidigital number, since it uses as much as digits as its factorization.

475465391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 475465391 is about 21805.1689055600. The cubic root of 475465391 is about 780.5001126514.

The spelling of 475465391 in words is "four hundred seventy-five million, four hundred sixty-five thousand, three hundred ninety-one".