3157825 has 12 divisors (see below), whose sum is σ = 4272048. Its totient is φ = 2296400.

The previous prime is 3157811. The next prime is 3157829. The reversal of 3157825 is 5287513.

It is not a de Polignac number, because 3157825 - 2⁹ = 3157313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3157829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5467 + ... + 6016.

It is an arithmetic number, because the mean of its divisors is an integer number (356004).

Almost surely, 2^3157825 is an apocalyptic number.

It is an amenable number.

3157825 is a deficient number, since it is larger than the sum of its proper divisors (1114223).

3157825 is a wasteful number, since it uses less digits than its factorization.

3157825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504 (or 11499 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 3157825 is about 1777.0270116124. The cubic root of 3157825 is about 146.7110030102.

The spelling of 3157825 in words is "three million, one hundred fifty-seven thousand, eight hundred twenty-five".