475847539 has 2 divisors, whose sum is σ = 475847540. Its totient is φ = 475847538.

The previous prime is 475847531. The next prime is 475847587. The reversal of 475847539 is 935748574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475847539 - 2³ = 475847531 is a prime.

It is not a weakly prime, because it can be changed into another prime (475847531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237923769 + 237923770.

It is an arithmetic number, because the mean of its divisors is an integer number (237923770).

Almost surely, 2^475847539 is an apocalyptic number.

475847539 is a deficient number, since it is larger than the sum of its proper divisors (1).

475847539 is an equidigital number, since it uses as much as digits as its factorization.

475847539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 52.

The square root of 475847539 is about 21813.9299302074. The cubic root of 475847539 is about 780.7091616444.

The spelling of 475847539 in words is "four hundred seventy-five million, eight hundred forty-seven thousand, five hundred thirty-nine".