250042013 has 8 divisors (see below), whose sum is σ = 269625048. Its totient is φ = 230508864.

The previous prime is 250041997. The next prime is 250042019. The reversal of 250042013 is 310240052.

It can be written as a sum of positive squares in 4 ways, for example, as 6744409 + 243297604 = 2597^2 + 15598^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 250042013 - 2⁴ = 250041997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250041982 and 250042000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250042019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706 + ... + 22427.

It is an arithmetic number, because the mean of its divisors is an integer number (33703131).

Almost surely, 2^250042013 is an apocalyptic number.

It is an amenable number.

250042013 is a deficient number, since it is larger than the sum of its proper divisors (19583035).

250042013 is a wasteful number, since it uses less digits than its factorization.

250042013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24943.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 250042013 is about 15812.7168127428. The cubic root of 250042013 is about 629.9958116796.

Adding to 250042013 its reverse (310240052), we get a palindrome (560282065).

The spelling of 250042013 in words is "two hundred fifty million, forty-two thousand, thirteen".