5251545264 has 40 divisors (see below), whose sum is σ = 15504563200. Its totient is φ = 1500441408.

The previous prime is 5251545217. The next prime is 5251545289. The reversal of 5251545264 is 4625451525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7814464 + ... + 7815135.

It is an arithmetic number, because the mean of its divisors is an integer number (387614080).

Almost surely, 2^5251545264 is an apocalyptic number.

It is an amenable number.

5251545264 is an abundant number, since it is smaller than the sum of its proper divisors (10253017936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5251545264 is a wasteful number, since it uses less digits than its factorization.

5251545264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15629617 (or 15629611 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

The square root of 5251545264 is about 72467.5462810767. The cubic root of 5251545264 is about 1738.1838256790.

Adding to 5251545264 its reverse (4625451525), we get a palindrome (9876996789).

It can be divided in two parts, 52515 and 45264, that added together give a palindrome (97779).

The spelling of 5251545264 in words is "five billion, two hundred fifty-one million, five hundred forty-five thousand, two hundred sixty-four".