250139013 has 4 divisors (see below), whose sum is σ = 333518688. Its totient is φ = 166759340.

The previous prime is 250138963. The next prime is 250139027. The reversal of 250139013 is 310931052.

It is a happy number.

250139013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-250139013 is a prime.

It is a super-2 number, since 2×250139013² = 125139051649228338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250134013) 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, 41689833 + ... + 41689838.

It is an arithmetic number, because the mean of its divisors is an integer number (83379672).

Almost surely, 2^250139013 is an apocalyptic number.

It is an amenable number.

250139013 is a deficient number, since it is larger than the sum of its proper divisors (83379675).

250139013 is an equidigital number, since it uses as much as digits as its factorization.

250139013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83379674.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 250139013 is about 15815.7836669575. The cubic root of 250139013 is about 630.0772669152.

It can be divided in two parts, 2501 and 39013, that added together give a palindrome (41514).

The spelling of 250139013 in words is "two hundred fifty million, one hundred thirty-nine thousand, thirteen".