250003013 has 4 divisors (see below), whose sum is σ = 269234028. Its totient is φ = 230772000.

The previous prime is 250002967. The next prime is 250003051. The reversal of 250003013 is 310300052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19509889 + 230493124 = 4417^2 + 15182^2 .

It is a cyclic number.

It is not a de Polignac number, because 250003013 - 2⁸ = 250002757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250003073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9615488 + ... + 9615513.

It is an arithmetic number, because the mean of its divisors is an integer number (67308507).

Almost surely, 2^250003013 is an apocalyptic number.

It is an amenable number.

250003013 is a deficient number, since it is larger than the sum of its proper divisors (19231015).

250003013 is a wasteful number, since it uses less digits than its factorization.

250003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19231014.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 250003013 is about 15811.4835799807. The cubic root of 250003013 is about 629.9630556987.

Adding to 250003013 its reverse (310300052), we get a palindrome (560303065).

The spelling of 250003013 in words is "two hundred fifty million, three thousand, thirteen".