5122461391 has 2 divisors, whose sum is σ = 5122461392. Its totient is φ = 5122461390.

The previous prime is 5122461347. The next prime is 5122461401. The reversal of 5122461391 is 1931642215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5122461391 - 2¹³ = 5122453199 is a prime.

It is a super-2 number, since 2×5122461391² = 52479221404571309762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5122461341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561230695 + 2561230696.

It is an arithmetic number, because the mean of its divisors is an integer number (2561230696).

Almost surely, 2^5122461391 is an apocalyptic number.

5122461391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122461391 is an equidigital number, since it uses as much as digits as its factorization.

5122461391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 5122461391 is about 71571.3727058522. The cubic root of 5122461391 is about 1723.8239008072.

The spelling of 5122461391 in words is "five billion, one hundred twenty-two million, four hundred sixty-one thousand, three hundred ninety-one".