475143250 has 32 divisors (see below), whose sum is σ = 920153520. Its totient is φ = 183500800.

The previous prime is 475143247. The next prime is 475143271. The reversal of 475143250 is 52341574.

It can be written as a sum of positive squares in 8 ways, for example, as 143065521 + 332077729 = 11961^2 + 18223^2 .

It is a super-2 number, since 2×475143250² = 451522216041125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25519 + ... + 40018.

Almost surely, 2^475143250 is an apocalyptic number.

475143250 is a deficient number, since it is larger than the sum of its proper divisors (445010270).

475143250 is a wasteful number, since it uses less digits than its factorization.

475143250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65583 (or 65573 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 475143250 is about 21797.7808503526. The cubic root of 475143250 is about 780.3238026635.

The spelling of 475143250 in words is "four hundred seventy-five million, one hundred forty-three thousand, two hundred fifty".