5126662481 has 2 divisors, whose sum is σ = 5126662482. Its totient is φ = 5126662480.

The previous prime is 5126662393. The next prime is 5126662531. The reversal of 5126662481 is 1842666215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4174322881 + 952339600 = 64609^2 + 30860^2 .

It is a cyclic number.

It is not a de Polignac number, because 5126662481 - 2²² = 5122468177 is a prime.

It is a super-2 number, since 2×5126662481² = 52565336388186150722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5126661481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563331240 + 2563331241.

It is an arithmetic number, because the mean of its divisors is an integer number (2563331241).

Almost surely, 2^5126662481 is an apocalyptic number.

It is an amenable number.

5126662481 is a deficient number, since it is larger than the sum of its proper divisors (1).

5126662481 is an equidigital number, since it uses as much as digits as its factorization.

5126662481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 5126662481 is about 71600.7156458649. The cubic root of 5126662481 is about 1724.2950259116.

The spelling of 5126662481 in words is "five billion, one hundred twenty-six million, six hundred sixty-two thousand, four hundred eighty-one".