50013213 has 4 divisors (see below), whose sum is σ = 66684288. Its totient is φ = 33342140.

The previous prime is 50013211. The next prime is 50013221. The reversal of 50013213 is 31231005.

It is a happy number.

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 not a de Polignac number, because 50013213 - 2¹ = 50013211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50013192 and 50013201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50013211) 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, 8335533 + ... + 8335538.

It is an arithmetic number, because the mean of its divisors is an integer number (16671072).

Almost surely, 2^50013213 is an apocalyptic number.

It is an amenable number.

50013213 is a deficient number, since it is larger than the sum of its proper divisors (16671075).

50013213 is a wasteful number, since it uses less digits than its factorization.

50013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16671074.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 50013213 is about 7072.0020503391. The cubic root of 50013213 is about 368.4355984114.

Adding to 50013213 its reverse (31231005), we get a palindrome (81244218).

The spelling of 50013213 in words is "fifty million, thirteen thousand, two hundred thirteen".