475513903 has 2 divisors, whose sum is σ = 475513904. Its totient is φ = 475513902.

The previous prime is 475513861. The next prime is 475513921. The reversal of 475513903 is 309315574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475513903 - 2¹³ = 475505711 is a prime.

It is a super-2 number, since 2×475513903² = 452226943892586818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475523903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237756951 + 237756952.

It is an arithmetic number, because the mean of its divisors is an integer number (237756952).

Almost surely, 2^475513903 is an apocalyptic number.

475513903 is a deficient number, since it is larger than the sum of its proper divisors (1).

475513903 is an equidigital number, since it uses as much as digits as its factorization.

475513903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 475513903 is about 21806.2812739816. The cubic root of 475513903 is about 780.5266567031.

The spelling of 475513903 in words is "four hundred seventy-five million, five hundred thirteen thousand, nine hundred three".