5264518249 has 15 divisors (see below), whose sum is σ = 5514770723. Its totient is φ = 5025588048.

The previous prime is 5264518229. The next prime is 5264518283. The reversal of 5264518249 is 9428154625.

The square root of 5264518249 is 72557.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 631265625 + 4633252624 = 25125^2 + 68068^2 .

It is not a de Polignac number, because 5264518249 - 2¹⁵ = 5264485481 is a prime.

It is a Duffinian number.

Its product of digits (691200) is a multiple of the sum of its prime divisors (90).

It is a junction number, because it is equal to n+sod(n) for n = 5264518199 and 5264518208.

It is not an unprimeable number, because it can be changed into a prime (5264518229) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 99330507 + ... + 99330559.

Almost surely, 2^5264518249 is an apocalyptic number.

5264518249 is the 72557-th square number.

5264518249 is the 36279-th centered octagonal number.

It is an amenable number.

5264518249 is a deficient number, since it is larger than the sum of its proper divisors (250252474).

5264518249 is an frugal number, since it uses more digits than its factorization.

5264518249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 90 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The cubic root of 5264518249 is about 1739.6139374473.

The spelling of 5264518249 in words is "five billion, two hundred sixty-four million, five hundred eighteen thousand, two hundred forty-nine".