5263311251 has 8 divisors (see below), whose sum is σ = 5835922608. Its totient is φ = 4706388000.

The previous prime is 5263311217. The next prime is 5263311257. The reversal of 5263311251 is 1521133625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5263311251 - 2⁶ = 5263311187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5263311257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3921320 + ... + 3922661.

It is an arithmetic number, because the mean of its divisors is an integer number (729490326).

Almost surely, 2^5263311251 is an apocalyptic number.

5263311251 is a deficient number, since it is larger than the sum of its proper divisors (572611357).

5263311251 is a wasteful number, since it uses less digits than its factorization.

5263311251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7844053.

The product of its digits is 5400, while the sum is 29.

The square root of 5263311251 is about 72548.6819384060. The cubic root of 5263311251 is about 1739.4809799805.

Adding to 5263311251 its reverse (1521133625), we get a palindrome (6784444876).

The spelling of 5263311251 in words is "five billion, two hundred sixty-three million, three hundred eleven thousand, two hundred fifty-one".