5131554125 has 16 divisors (see below), whose sum is σ = 6780898800. Its totient is φ = 3863756800.

The previous prime is 5131554121. The next prime is 5131554133. The reversal of 5131554125 is 5214551315.

5131554125 = 50653² + 50654².

It can be written as a sum of positive squares in 8 ways, for example, as 2565827716 + 2565726409 = 50654^2 + 50653^2 .

It is not a de Polignac number, because 5131554125 - 2² = 5131554121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5131554091 and 5131554100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131554121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205300 + ... + 1209549.

It is an arithmetic number, because the mean of its divisors is an integer number (423806175).

Almost surely, 2^5131554125 is an apocalyptic number.

5131554125 is the 50654-th centered square number.

It is an amenable number.

5131554125 is a deficient number, since it is larger than the sum of its proper divisors (1649344675).

5131554125 is a wasteful number, since it uses less digits than its factorization.

5131554125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414881 (or 2414871 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The square root of 5131554125 is about 71634.8666851555. The cubic root of 5131554125 is about 1724.8432679835.

The spelling of 5131554125 in words is "five billion, one hundred thirty-one million, five hundred fifty-four thousand, one hundred twenty-five".