50250013 has 4 divisors (see below), whose sum is σ = 54818208. Its totient is φ = 45681820.

The previous prime is 50249993. The next prime is 50250017. The reversal of 50250013 is 31005205.

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-50250013 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 (50250017) 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, 2284081 + ... + 2284102.

It is an arithmetic number, because the mean of its divisors is an integer number (13704552).

Almost surely, 2^50250013 is an apocalyptic number.

It is an amenable number.

50250013 is a deficient number, since it is larger than the sum of its proper divisors (4568195).

50250013 is a wasteful number, since it uses less digits than its factorization.

50250013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568194.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 50250013 is about 7088.7243563282. The cubic root of 50250013 is about 369.0161664272.

Adding to 50250013 its reverse (31005205), we get a palindrome (81255218).

The spelling of 50250013 in words is "fifty million, two hundred fifty thousand, thirteen".