5016057581 has 2 divisors, whose sum is σ = 5016057582. Its totient is φ = 5016057580.

The previous prime is 5016057569. The next prime is 5016057619. The reversal of 5016057581 is 1857506105.

It is a happy number.

It is an a-pointer prime, because the next prime (5016057619) can be obtained adding 5016057581 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4641015625 + 375041956 = 68125^2 + 19366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5016057581 is a prime.

It is a super-2 number, since 2×5016057581² = 50321667311815143122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5016054581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508028790 + 2508028791.

It is an arithmetic number, because the mean of its divisors is an integer number (2508028791).

Almost surely, 2^5016057581 is an apocalyptic number.

It is an amenable number.

5016057581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5016057581 is an equidigital number, since it uses as much as digits as its factorization.

5016057581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 38.

The square root of 5016057581 is about 70824.1313465968. The cubic root of 5016057581 is about 1711.8045290490.

The spelling of 5016057581 in words is "five billion, sixteen million, fifty-seven thousand, five hundred eighty-one".