475186427 has 2 divisors, whose sum is σ = 475186428. Its totient is φ = 475186426.

The previous prime is 475186399. The next prime is 475186429. The reversal of 475186427 is 724681574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475186427 - 2¹⁸ = 474924283 is a prime.

Together with 475186429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475186429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237593213 + 237593214.

It is an arithmetic number, because the mean of its divisors is an integer number (237593214).

Almost surely, 2^475186427 is an apocalyptic number.

475186427 is a deficient number, since it is larger than the sum of its proper divisors (1).

475186427 is an equidigital number, since it uses as much as digits as its factorization.

475186427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 44.

The square root of 475186427 is about 21798.7712268375. The cubic root of 475186427 is about 780.3474383567.

The spelling of 475186427 in words is "four hundred seventy-five million, one hundred eighty-six thousand, four hundred twenty-seven".