5155251252 has 24 divisors (see below), whose sum is σ = 12308663136. Its totient is φ = 1678453728.

The previous prime is 5155251251. The next prime is 5155251281. The reversal of 5155251252 is 2521525515.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155251251) 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, 4994883 + ... + 4995914.

It is an arithmetic number, because the mean of its divisors is an integer number (512860964).

Almost surely, 2^5155251252 is an apocalyptic number.

It is an amenable number.

5155251252 is an abundant number, since it is smaller than the sum of its proper divisors (7153411884).

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

5155251252 is a wasteful number, since it uses less digits than its factorization.

5155251252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990847 (or 9990845 counting only the distinct ones).

The product of its digits is 25000, while the sum is 33.

The square root of 5155251252 is about 71800.0783565032. The cubic root of 5155251252 is about 1727.4942565203.

Adding to 5155251252 its reverse (2521525515), we get a palindrome (7676776767).

The spelling of 5155251252 in words is "five billion, one hundred fifty-five million, two hundred fifty-one thousand, two hundred fifty-two".