475253557 has 2 divisors, whose sum is σ = 475253558. Its totient is φ = 475253556.

The previous prime is 475253549. The next prime is 475253563. The reversal of 475253557 is 755352574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287946961 + 187306596 = 16969^2 + 13686^2 .

It is a cyclic number.

It is not a de Polignac number, because 475253557 - 2³ = 475253549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475253507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237626778 + 237626779.

It is an arithmetic number, because the mean of its divisors is an integer number (237626779).

Almost surely, 2^475253557 is an apocalyptic number.

It is an amenable number.

475253557 is a deficient number, since it is larger than the sum of its proper divisors (1).

475253557 is an equidigital number, since it uses as much as digits as its factorization.

475253557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 735000, while the sum is 43.

The square root of 475253557 is about 21800.3109381495. The cubic root of 475253557 is about 780.3841834136.

The spelling of 475253557 in words is "four hundred seventy-five million, two hundred fifty-three thousand, five hundred fifty-seven".