3201250105 has 4 divisors (see below), whose sum is σ = 3841500132. Its totient is φ = 2561000080.

The previous prime is 3201250099. The next prime is 3201250133. The reversal of 3201250105 is 5010521023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5010521023 = 29 ⋅172776587.

It can be written as a sum of positive squares in 2 ways, for example, as 626601024 + 2574649081 = 25032^2 + 50741^2 .

It is not a de Polignac number, because 3201250105 - 2⁷ = 3201249977 is a prime.

It is a super-2 number, since 2×3201250105² = 20496004469525022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320125006 + ... + 320125015.

It is an arithmetic number, because the mean of its divisors is an integer number (960375033).

Almost surely, 2^3201250105 is an apocalyptic number.

It is an amenable number.

3201250105 is a deficient number, since it is larger than the sum of its proper divisors (640250027).

3201250105 is an equidigital number, since it uses as much as digits as its factorization.

3201250105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640250026.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 3201250105 is about 56579.5908875276. The cubic root of 3201250105 is about 1473.8044672316.

Adding to 3201250105 its reverse (5010521023), we get a palindrome (8211771128).

The spelling of 3201250105 in words is "three billion, two hundred one million, two hundred fifty thousand, one hundred five".