50242513 has 2 divisors, whose sum is σ = 50242514. Its totient is φ = 50242512.

The previous prime is 50242501. The next prime is 50242541. The reversal of 50242513 is 31524205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37368769 + 12873744 = 6113^2 + 3588^2 .

It is a cyclic number.

It is not a de Polignac number, because 50242513 - 2⁵ = 50242481 is a prime.

It is a super-2 number, since 2×50242513² = 5048620225110338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50242583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25121256 + 25121257.

It is an arithmetic number, because the mean of its divisors is an integer number (25121257).

Almost surely, 2^50242513 is an apocalyptic number.

It is an amenable number.

50242513 is a deficient number, since it is larger than the sum of its proper divisors (1).

50242513 is an equidigital number, since it uses as much as digits as its factorization.

50242513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50242513 is about 7088.1953274441. The cubic root of 50242513 is about 368.9978065052.

Adding to 50242513 its reverse (31524205), we get a palindrome (81766718).

The spelling of 50242513 in words is "fifty million, two hundred forty-two thousand, five hundred thirteen".