3201856925 has 12 divisors (see below), whose sum is σ = 4203850356. Its totient is φ = 2410809600.

The previous prime is 3201856913. The next prime is 3201856939. The reversal of 3201856925 is 5296581023.

It can be written as a sum of positive squares in 6 ways, for example, as 25745476 + 3176111449 = 5074^2 + 56357^2 .

It is not a de Polignac number, because 3201856925 - 2¹⁶ = 3201791389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3766466 + ... + 3767315.

It is an arithmetic number, because the mean of its divisors is an integer number (350320863).

Almost surely, 2^3201856925 is an apocalyptic number.

It is an amenable number.

3201856925 is a deficient number, since it is larger than the sum of its proper divisors (1001993431).

3201856925 is a wasteful number, since it uses less digits than its factorization.

3201856925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533808 (or 7533803 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 3201856925 is about 56584.9531677813. The cubic root of 3201856925 is about 1473.8975847633.

The spelling of 3201856925 in words is "three billion, two hundred one million, eight hundred fifty-six thousand, nine hundred twenty-five".