7431130625 has 10 divisors (see below), whose sum is σ = 9285941610. Its totient is φ = 5944904000.

The previous prime is 7431130547. The next prime is 7431130639. The reversal of 7431130625 is 5260311347.

It can be written as a sum of positive squares in 5 ways, for example, as 5472448576 + 1958682049 = 73976^2 + 44257^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7431130625 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7431130591 and 7431130600.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5944280 + ... + 5945529.

It is an arithmetic number, because the mean of its divisors is an integer number (928594161).

Almost surely, 2^7431130625 is an apocalyptic number.

It is an amenable number.

7431130625 is a deficient number, since it is larger than the sum of its proper divisors (1854810985).

7431130625 is an equidigital number, since it uses as much as digits as its factorization.

7431130625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11889829 (or 11889814 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 7431130625 is about 86204.0058523964. The cubic root of 7431130625 is about 1951.4239544494.

The spelling of 7431130625 in words is "seven billion, four hundred thirty-one million, one hundred thirty thousand, six hundred twenty-five".