5251541225 has 24 divisors (see below), whose sum is σ = 7471896768. Its totient is φ = 3586680000.

The previous prime is 5251541221. The next prime is 5251541311. The reversal of 5251541225 is 5221451525.

It is a happy number.

It is not a de Polignac number, because 5251541225 - 2² = 5251541221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5251541191 and 5251541200.

It is not an unprimeable number, because it can be changed into a prime (5251541221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15854 + ... + 103703.

It is an arithmetic number, because the mean of its divisors is an integer number (311329032).

Almost surely, 2^5251541225 is an apocalyptic number.

It is an amenable number.

5251541225 is a deficient number, since it is larger than the sum of its proper divisors (2220355543).

5251541225 is a wasteful number, since it uses less digits than its factorization.

5251541225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119825 (or 119820 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 5251541225 is about 72467.5184134244. The cubic root of 5251541225 is about 1738.1833800625.

The spelling of 5251541225 in words is "five billion, two hundred fifty-one million, five hundred forty-one thousand, two hundred twenty-five".