50258521 has 2 divisors, whose sum is σ = 50258522. Its totient is φ = 50258520.

The previous prime is 50258491. The next prime is 50258539. The reversal of 50258521 is 12585205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 978121 = 7020^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 50258521 - 2⁵ = 50258489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50258521.

It is not a weakly prime, because it can be changed into another prime (50258561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25129260 + 25129261.

It is an arithmetic number, because the mean of its divisors is an integer number (25129261).

Almost surely, 2^50258521 is an apocalyptic number.

It is an amenable number.

50258521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50258521 is an equidigital number, since it uses as much as digits as its factorization.

50258521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 50258521 is about 7089.3244389011. The cubic root of 50258521 is about 369.0369917111.

The spelling of 50258521 in words is "fifty million, two hundred fifty-eight thousand, five hundred twenty-one".