50012491 has 2 divisors, whose sum is σ = 50012492. Its totient is φ = 50012490.

The previous prime is 50012447. The next prime is 50012513. The reversal of 50012491 is 19421005.

It is an a-pointer prime, because the next prime (50012513) can be obtained adding 50012491 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50012491 - 2²⁵ = 16458059 is a prime.

It is not a weakly prime, because it can be changed into another prime (50012411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25006245 + 25006246.

It is an arithmetic number, because the mean of its divisors is an integer number (25006246).

Almost surely, 2^50012491 is an apocalyptic number.

50012491 is a deficient number, since it is larger than the sum of its proper divisors (1).

50012491 is an equidigital number, since it uses as much as digits as its factorization.

50012491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 50012491 is about 7071.9510037895. The cubic root of 50012491 is about 368.4338254680.

Adding to 50012491 its reverse (19421005), we get a palindrome (69433496).

The spelling of 50012491 in words is "fifty million, twelve thousand, four hundred ninety-one".