250139589 has 32 divisors (see below), whose sum is σ = 399974400. Its totient is φ = 136036800.

The previous prime is 250139569. The next prime is 250139611. The reversal of 250139589 is 985931052.

It is not a de Polignac number, because 250139589 - 2¹³ = 250131397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250139589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250139509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36562 + ... + 42860.

It is an arithmetic number, because the mean of its divisors is an integer number (12499200).

Almost surely, 2^250139589 is an apocalyptic number.

It is an amenable number.

250139589 is a deficient number, since it is larger than the sum of its proper divisors (149834811).

250139589 is a wasteful number, since it uses less digits than its factorization.

250139589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 250139589 is about 15815.8018766043. The cubic root of 250139589 is about 630.0777505452.

The spelling of 250139589 in words is "two hundred fifty million, one hundred thirty-nine thousand, five hundred eighty-nine".