5251522302 has 64 divisors (see below), whose sum is σ = 12578448960. Its totient is φ = 1614477312.

The previous prime is 5251522301. The next prime is 5251522307. The reversal of 5251522302 is 2032251525.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251522301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1087798 + ... + 1092614.

It is an arithmetic number, because the mean of its divisors is an integer number (196538265).

Almost surely, 2^5251522302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5251522302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289224480).

5251522302 is an abundant number, since it is smaller than the sum of its proper divisors (7326926658).

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

5251522302 is a wasteful number, since it uses less digits than its factorization.

5251522302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394 (or 6388 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5251522302 is about 72467.3878513639. The cubic root of 5251522302 is about 1738.1812923145.

Adding to 5251522302 its reverse (2032251525), we get a palindrome (7283773827).

The spelling of 5251522302 in words is "five billion, two hundred fifty-one million, five hundred twenty-two thousand, three hundred two".