5254537665 has 64 divisors (see below), whose sum is σ = 9465200640. Its totient is φ = 2471489280.

The previous prime is 5254537649. The next prime is 5254537679. The reversal of 5254537665 is 5667354525.

It is not a de Polignac number, because 5254537665 - 2⁴ = 5254537649 is a prime.

It is a super-2 number, since 2×5254537665² = 55220332145807304450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 472054 + ... + 483056.

It is an arithmetic number, because the mean of its divisors is an integer number (147893760).

Almost surely, 2^5254537665 is an apocalyptic number.

It is an amenable number.

5254537665 is a deficient number, since it is larger than the sum of its proper divisors (4210662975).

5254537665 is a wasteful number, since it uses less digits than its factorization.

5254537665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11134.

The product of its digits is 3780000, while the sum is 48.

The square root of 5254537665 is about 72488.1898311718. The cubic root of 5254537665 is about 1738.5139098185.

The spelling of 5254537665 in words is "five billion, two hundred fifty-four million, five hundred thirty-seven thousand, six hundred sixty-five".