475262279 has 2 divisors, whose sum is σ = 475262280. Its totient is φ = 475262278.

The previous prime is 475262239. The next prime is 475262297. The reversal of 475262279 is 972262574.

Together with next prime (475262297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475262279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475262239) 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 as a sum of consecutive naturals, namely, 237631139 + 237631140.

It is an arithmetic number, because the mean of its divisors is an integer number (237631140).

Almost surely, 2^475262279 is an apocalyptic number.

475262279 is a deficient number, since it is larger than the sum of its proper divisors (1).

475262279 is an equidigital number, since it uses as much as digits as its factorization.

475262279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 475262279 is about 21800.5109802500. The cubic root of 475262279 is about 780.3889573349.

The spelling of 475262279 in words is "four hundred seventy-five million, two hundred sixty-two thousand, two hundred seventy-nine".