50617013 has 2 divisors, whose sum is σ = 50617014. Its totient is φ = 50617012.

The previous prime is 50616971. The next prime is 50617019. The reversal of 50617013 is 31071605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48748324 + 1868689 = 6982^2 + 1367^2 .

It is a cyclic number.

It is not a de Polignac number, because 50617013 - 2¹⁶ = 50551477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50617013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50617019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25308506 + 25308507.

It is an arithmetic number, because the mean of its divisors is an integer number (25308507).

Almost surely, 2^50617013 is an apocalyptic number.

It is an amenable number.

50617013 is a deficient number, since it is larger than the sum of its proper divisors (1).

50617013 is an equidigital number, since it uses as much as digits as its factorization.

50617013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 50617013 is about 7114.5634440913. The cubic root of 50617013 is about 369.9123556712.

Adding to 50617013 its reverse (31071605), we get a palindrome (81688618).

The spelling of 50617013 in words is "fifty million, six hundred seventeen thousand, thirteen".