3156829425 has 36 divisors (see below), whose sum is σ = 5662241884. Its totient is φ = 1681257600.

The previous prime is 3156829409. The next prime is 3156829451. The reversal of 3156829425 is 5249286513.

3156829425 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 124344801 + 3032484624 = 11151^2 + 55068^2 .

It is not a de Polignac number, because 3156829425 - 2⁴ = 3156829409 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 35 ways as a sum of consecutive naturals, for example, 155355 + ... + 174495.

Almost surely, 2^3156829425 is an apocalyptic number.

It is an amenable number.

3156829425 is a deficient number, since it is larger than the sum of its proper divisors (2505412459).

3156829425 is a wasteful number, since it uses less digits than its factorization.

3156829425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19890 (or 19882 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 3156829425 is about 56185.6692137773. The cubic root of 3156829425 is about 1466.9558341400.

The spelling of 3156829425 in words is "three billion, one hundred fifty-six million, eight hundred twenty-nine thousand, four hundred twenty-five".