5726533257 has 6 divisors (see below), whose sum is σ = 8271659162. Its totient is φ = 3817688832.

The previous prime is 5726533237. The next prime is 5726533271. The reversal of 5726533257 is 7523356275.

5726533257 is a `hidden beast` number, since 5 + 7 + 265 + 332 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5293435536 + 433097721 = 72756^2 + 20811^2 .

It is not a de Polignac number, because 5726533257 - 2¹⁵ = 5726500489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5726533207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318140728 + ... + 318140745.

Almost surely, 2^5726533257 is an apocalyptic number.

It is an amenable number.

5726533257 is a deficient number, since it is larger than the sum of its proper divisors (2545125905).

5726533257 is a wasteful number, since it uses less digits than its factorization.

5726533257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636281479 (or 636281476 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 45.

The square root of 5726533257 is about 75673.8611212617. The cubic root of 5726533257 is about 1789.0834396060.

The spelling of 5726533257 in words is "five billion, seven hundred twenty-six million, five hundred thirty-three thousand, two hundred fifty-seven".