5272623281 has 2 divisors, whose sum is σ = 5272623282. Its totient is φ = 5272623280.

The previous prime is 5272623203. The next prime is 5272623289. The reversal of 5272623281 is 1823262725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4180915600 + 1091707681 = 64660^2 + 33041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5272623281 is a prime.

It is a super-2 number, since 2×5272623281² = 55601112526686409922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5272623289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2636311640 + 2636311641.

It is an arithmetic number, because the mean of its divisors is an integer number (2636311641).

Almost surely, 2^5272623281 is an apocalyptic number.

It is an amenable number.

5272623281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5272623281 is an equidigital number, since it uses as much as digits as its factorization.

5272623281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 5272623281 is about 72612.8313798601. The cubic root of 5272623281 is about 1740.5062253019.

The spelling of 5272623281 in words is "five billion, two hundred seventy-two million, six hundred twenty-three thousand, two hundred eighty-one".