6251257625 has 8 divisors (see below), whose sum is σ = 7801569672. Its totient is φ = 5001006000.

The previous prime is 6251257589. The next prime is 6251257657. The reversal of 6251257625 is 5267521526.

It can be written as a sum of positive squares in 4 ways, for example, as 2018974489 + 4232283136 = 44933^2 + 65056^2 .

It is not a de Polignac number, because 6251257625 - 2¹⁰ = 6251256601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25004906 + ... + 25005155.

It is an arithmetic number, because the mean of its divisors is an integer number (975196209).

Almost surely, 2^6251257625 is an apocalyptic number.

It is an amenable number.

6251257625 is a deficient number, since it is larger than the sum of its proper divisors (1550312047).

6251257625 is an equidigital number, since it uses as much as digits as its factorization.

6251257625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010076 (or 50010066 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 6251257625 is about 79064.8950230126. The cubic root of 6251257625 is about 1842.1392911706.

The spelling of 6251257625 in words is "six billion, two hundred fifty-one million, two hundred fifty-seven thousand, six hundred twenty-five".