475655431 has 2 divisors, whose sum is σ = 475655432. Its totient is φ = 475655430.

The previous prime is 475655423. The next prime is 475655441. The reversal of 475655431 is 134556574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475655431 - 2³ = 475655423 is a prime.

It is a super-2 number, since 2×475655431² = 452496178079591522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475655441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237827715 + 237827716.

It is an arithmetic number, because the mean of its divisors is an integer number (237827716).

Almost surely, 2^475655431 is an apocalyptic number.

475655431 is a deficient number, since it is larger than the sum of its proper divisors (1).

475655431 is an equidigital number, since it uses as much as digits as its factorization.

475655431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 40.

The square root of 475655431 is about 21809.5261525784. The cubic root of 475655431 is about 780.6040855076.

The spelling of 475655431 in words is "four hundred seventy-five million, six hundred fifty-five thousand, four hundred thirty-one".