3173505725 has 24 divisors (see below), whose sum is σ = 4352403720. Its totient is φ = 2280165120.

The previous prime is 3173505721. The next prime is 3173505733. The reversal of 3173505725 is 5275053713.

It can be written as a sum of positive squares in 12 ways, for example, as 405377956 + 2768127769 = 20134^2 + 52613^2 .

It is not a de Polignac number, because 3173505725 - 2² = 3173505721 is a prime.

It is a super-2 number, since 2×3173505725² = 20142277173215551250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3173505721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119930 + ... + 143979.

It is an arithmetic number, because the mean of its divisors is an integer number (181350155).

Almost surely, 2^3173505725 is an apocalyptic number.

It is an amenable number.

3173505725 is a deficient number, since it is larger than the sum of its proper divisors (1178897995).

3173505725 is a wasteful number, since it uses less digits than its factorization.

3173505725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263969 (or 263964 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 3173505725 is about 56333.8772409640. The cubic root of 3173505725 is about 1469.5344176283.

The spelling of 3173505725 in words is "three billion, one hundred seventy-three million, five hundred five thousand, seven hundred twenty-five".