5263703257 has 4 divisors (see below), whose sum is σ = 5285727360. Its totient is φ = 5241679156.

The previous prime is 5263703239. The next prime is 5263703279. The reversal of 5263703257 is 7523073625.

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 5263703257 - 2³¹ = 3116219609 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5263707257) 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, 11011693 + ... + 11012170.

It is an arithmetic number, because the mean of its divisors is an integer number (1321431840).

Almost surely, 2^5263703257 is an apocalyptic number.

It is an amenable number.

5263703257 is a deficient number, since it is larger than the sum of its proper divisors (22024103).

5263703257 is a wasteful number, since it uses less digits than its factorization.

5263703257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22024102.

The product of its (nonzero) digits is 264600, while the sum is 40.

The square root of 5263703257 is about 72551.3835636509. The cubic root of 5263703257 is about 1739.5241638256.

The spelling of 5263703257 in words is "five billion, two hundred sixty-three million, seven hundred three thousand, two hundred fifty-seven".