5252542660 has 96 divisors (see below), whose sum is σ = 11927365632. Its totient is φ = 1937295360.

The previous prime is 5252542657. The next prime is 5252542661. The reversal of 5252542660 is 662452525.

It is not an unprimeable number, because it can be changed into a prime (5252542661) 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, 4805074 + ... + 4806166.

It is an arithmetic number, because the mean of its divisors is an integer number (124243392).

Almost surely, 2^5252542660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5252542660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5963682816).

5252542660 is an abundant number, since it is smaller than the sum of its proper divisors (6674822972).

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

5252542660 is a wasteful number, since it uses less digits than its factorization.

5252542660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 5252542660 is about 72474.4276279572. The cubic root of 5252542660 is about 1738.2938598223.

The spelling of 5252542660 in words is "five billion, two hundred fifty-two million, five hundred forty-two thousand, six hundred sixty".