250988873 has 4 divisors (see below), whose sum is σ = 251417040. Its totient is φ = 250560708.

The previous prime is 250988863. The next prime is 250988887. The reversal of 250988873 is 378889052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250988873 - 2¹² = 250984777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250988863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213203 + ... + 214376.

It is an arithmetic number, because the mean of its divisors is an integer number (62854260).

Almost surely, 2^250988873 is an apocalyptic number.

It is an amenable number.

250988873 is a deficient number, since it is larger than the sum of its proper divisors (428167).

250988873 is an equidigital number, since it uses as much as digits as its factorization.

250988873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428166.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 250988873 is about 15842.6283488568. The cubic root of 250988873 is about 630.7900334744.

The spelling of 250988873 in words is "two hundred fifty million, nine hundred eighty-eight thousand, eight hundred seventy-three".