3201378125 has 24 divisors (see below), whose sum is σ = 4365283104. Its totient is φ = 2328250000.

The previous prime is 3201378107. The next prime is 3201378181. The reversal of 3201378125 is 5218731023.

It is not a de Polignac number, because 3201378125 - 2¹⁶ = 3201312589 is a prime.

It is a super-3 number, since 3×3201378125³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3201378091 and 3201378100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12191 + ... + 80940.

It is an arithmetic number, because the mean of its divisors is an integer number (181886796).

Almost surely, 2^3201378125 is an apocalyptic number.

It is an amenable number.

3201378125 is a deficient number, since it is larger than the sum of its proper divisors (1163904979).

3201378125 is an frugal number, since it uses more digits than its factorization.

3201378125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93167 (or 93147 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 3201378125 is about 56580.7222028846. The cubic root of 3201378125 is about 1473.8241130915.

It can be divided in two parts, 320 and 1378125, that multiplied together give a square (441000000 = 21000²).

The spelling of 3201378125 in words is "three billion, two hundred one million, three hundred seventy-eight thousand, one hundred twenty-five".