475250998 has 4 divisors (see below), whose sum is σ = 712876500. Its totient is φ = 237625498.

The previous prime is 475250989. The next prime is 475251041. The reversal of 475250998 is 899052574.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×475250998² = 451727022199992008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118812748 + ... + 118812751.

It is an arithmetic number, because the mean of its divisors is an integer number (178219125).

Almost surely, 2^475250998 is an apocalyptic number.

475250998 is a deficient number, since it is larger than the sum of its proper divisors (237625502).

475250998 is a wasteful number, since it uses less digits than its factorization.

475250998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237625501.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 475250998 is about 21800.2522462471. The cubic root of 475250998 is about 780.3827827531.

The spelling of 475250998 in words is "four hundred seventy-five million, two hundred fifty thousand, nine hundred ninety-eight".