250530475 has 12 divisors (see below), whose sum is σ = 334554976. Its totient is φ = 185006880.

The previous prime is 250530473. The next prime is 250530481. The reversal of 250530475 is 574035052.

It is not a de Polignac number, because 250530475 - 2¹ = 250530473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250530473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385107 + ... + 385756.

Almost surely, 2^250530475 is an apocalyptic number.

250530475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

250530475 is a deficient number, since it is larger than the sum of its proper divisors (84024501).

250530475 is a wasteful number, since it uses less digits than its factorization.

250530475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770886 (or 770881 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 250530475 is about 15828.1545039212. The cubic root of 250530475 is about 630.4057812453.

The spelling of 250530475 in words is "two hundred fifty million, five hundred thirty thousand, four hundred seventy-five".