5121253500 has 96 divisors (see below), whose sum is σ = 16268878080. Its totient is φ = 1241512000.

The previous prime is 5121253499. The next prime is 5121253549. The reversal of 5121253500 is 53521215.

It is a happy number.

It is a super-2 number, since 2×5121253500² = 52454474822524500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138690 + ... + 171689.

It is an arithmetic number, because the mean of its divisors is an integer number (169467480).

Almost surely, 2^5121253500 is an apocalyptic number.

5121253500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5121253500 is an abundant number, since it is smaller than the sum of its proper divisors (11147624580).

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

5121253500 is a wasteful number, since it uses less digits than its factorization.

5121253500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310412 (or 310400 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 5121253500 is about 71562.9338414797. The cubic root of 5121253500 is about 1723.6883959591.

Adding to 5121253500 its reverse (53521215), we get a palindrome (5174774715).

The spelling of 5121253500 in words is "five billion, one hundred twenty-one million, two hundred fifty-three thousand, five hundred".