5155254581 has 2 divisors, whose sum is σ = 5155254582. Its totient is φ = 5155254580.

The previous prime is 5155254529. The next prime is 5155254593. The reversal of 5155254581 is 1854525515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2819079025 + 2336175556 = 53095^2 + 48334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5155254581 is a prime.

It is a super-2 number, since 2×5155254581² = 53153299589842971122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155254521) 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, 2577627290 + 2577627291.

It is an arithmetic number, because the mean of its divisors is an integer number (2577627291).

Almost surely, 2^5155254581 is an apocalyptic number.

It is an amenable number.

5155254581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155254581 is an equidigital number, since it uses as much as digits as its factorization.

5155254581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200000, while the sum is 41.

The square root of 5155254581 is about 71800.1015389254. The cubic root of 5155254581 is about 1727.4946283629.

The spelling of 5155254581 in words is "five billion, one hundred fifty-five million, two hundred fifty-four thousand, five hundred eighty-one".