475543513 has 2 divisors, whose sum is σ = 475543514. Its totient is φ = 475543512.

The previous prime is 475543487. The next prime is 475543517. The reversal of 475543513 is 315345574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389944009 + 85599504 = 19747^2 + 9252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475543513 is a prime.

It is a super-2 number, since 2×475543513² = 452283265512762338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475543517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237771756 + 237771757.

It is an arithmetic number, because the mean of its divisors is an integer number (237771757).

Almost surely, 2^475543513 is an apocalyptic number.

It is an amenable number.

475543513 is a deficient number, since it is larger than the sum of its proper divisors (1).

475543513 is an equidigital number, since it uses as much as digits as its factorization.

475543513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 37.

The square root of 475543513 is about 21806.9601962309. The cubic root of 475543513 is about 780.5428573613.

The spelling of 475543513 in words is "four hundred seventy-five million, five hundred forty-three thousand, five hundred thirteen".