5122251247 has 2 divisors, whose sum is σ = 5122251248. Its totient is φ = 5122251246.

The previous prime is 5122251229. The next prime is 5122251269. The reversal of 5122251247 is 7421522215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5122251247 - 2¹⁹ = 5121726959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5122251227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561125623 + 2561125624.

It is an arithmetic number, because the mean of its divisors is an integer number (2561125624).

Almost surely, 2^5122251247 is an apocalyptic number.

5122251247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122251247 is an equidigital number, since it uses as much as digits as its factorization.

5122251247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 31.

The square root of 5122251247 is about 71569.9046177931. The cubic root of 5122251247 is about 1723.8003277515.

The spelling of 5122251247 in words is "five billion, one hundred twenty-two million, two hundred fifty-one thousand, two hundred forty-seven".