3201256425 has 48 divisors (see below), whose sum is σ = 5472149760. Its totient is φ = 1650240000.

The previous prime is 3201256381. The next prime is 3201256427. The reversal of 3201256425 is 5246521023.

It is not a de Polignac number, because 3201256425 - 2⁷ = 3201256297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3201256392 and 3201256401.

It is not an unprimeable number, because it can be changed into a prime (3201256427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330400 + ... + 339950.

It is an arithmetic number, because the mean of its divisors is an integer number (114003120).

Almost surely, 2^3201256425 is an apocalyptic number.

It is an amenable number.

3201256425 is a deficient number, since it is larger than the sum of its proper divisors (2270893335).

3201256425 is a wasteful number, since it uses less digits than its factorization.

3201256425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714 (or 9709 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3201256425 is about 56579.6467380276. The cubic root of 3201256425 is about 1473.8054371067.

Adding to 3201256425 its reverse (5246521023), we get a palindrome (8447777448).

The spelling of 3201256425 in words is "three billion, two hundred one million, two hundred fifty-six thousand, four hundred twenty-five".