475748513 has 2 divisors, whose sum is σ = 475748514. Its totient is φ = 475748512.

The previous prime is 475748503. The next prime is 475748531. The reversal of 475748513 is 315847574.

Together with next prime (475748531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459159184 + 16589329 = 21428^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 475748513 - 2²⁰ = 474699937 is a prime.

It is a super-2 number, since 2×475748513² = 452673295243422338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475748503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237874256 + 237874257.

It is an arithmetic number, because the mean of its divisors is an integer number (237874257).

Almost surely, 2^475748513 is an apocalyptic number.

It is an amenable number.

475748513 is a deficient number, since it is larger than the sum of its proper divisors (1).

475748513 is an equidigital number, since it uses as much as digits as its factorization.

475748513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 44.

The square root of 475748513 is about 21811.6600239413. The cubic root of 475748513 is about 780.6550015318.

The spelling of 475748513 in words is "four hundred seventy-five million, seven hundred forty-eight thousand, five hundred thirteen".