5260251281 has 4 divisors (see below), whose sum is σ = 5272806000. Its totient is φ = 5247696564.

The previous prime is 5260251263. The next prime is 5260251287. The reversal of 5260251281 is 1821520625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5260251281 - 2²² = 5256056977 is a prime.

It is a super-2 number, since 2×5260251281² = 55340487078524281922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5260251287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6276731 + ... + 6277568.

It is an arithmetic number, because the mean of its divisors is an integer number (1318201500).

Almost surely, 2^5260251281 is an apocalyptic number.

It is an amenable number.

5260251281 is a deficient number, since it is larger than the sum of its proper divisors (12554719).

5260251281 is a wasteful number, since it uses less digits than its factorization.

5260251281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12554718.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 5260251281 is about 72527.5897917475. The cubic root of 5260251281 is about 1739.1438163457.

The spelling of 5260251281 in words is "five billion, two hundred sixty million, two hundred fifty-one thousand, two hundred eighty-one".