5280259993 has 4 divisors (see below), whose sum is σ = 5590863540. Its totient is φ = 4969656448.

The previous prime is 5280259987. The next prime is 5280260003. The reversal of 5280259993 is 3999520825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4914991449 + 365268544 = 70107^2 + 19112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5280259993 is a prime.

It is a super-2 number, since 2×5280259993² = 55762291187352720098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5280259993.

It is not an unprimeable number, because it can be changed into a prime (5280259903) 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, 155301748 + ... + 155301781.

It is an arithmetic number, because the mean of its divisors is an integer number (1397715885).

Almost surely, 2^5280259993 is an apocalyptic number.

It is an amenable number.

5280259993 is a deficient number, since it is larger than the sum of its proper divisors (310603547).

5280259993 is a wasteful number, since it uses less digits than its factorization.

5280259993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310603546.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The square root of 5280259993 is about 72665.3974942682. The cubic root of 5280259993 is about 1741.3461192284.

The spelling of 5280259993 in words is "five billion, two hundred eighty million, two hundred fifty-nine thousand, nine hundred ninety-three".