3251542405 has 4 divisors (see below), whose sum is σ = 3901850892. Its totient is φ = 2601233920.

The previous prime is 3251542387. The next prime is 3251542457. The reversal of 3251542405 is 5042451523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2503301089 + 748241316 = 50033^2 + 27354^2 .

It is not a de Polignac number, because 3251542405 - 2⁵ = 3251542373 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 3 ways as a sum of consecutive naturals, for example, 325154236 + ... + 325154245.

It is an arithmetic number, because the mean of its divisors is an integer number (975462723).

Almost surely, 2^3251542405 is an apocalyptic number.

It is an amenable number.

3251542405 is a deficient number, since it is larger than the sum of its proper divisors (650308487).

3251542405 is an equidigital number, since it uses as much as digits as its factorization.

3251542405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650308486.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 3251542405 is about 57022.2974370553. The cubic root of 3251542405 is about 1481.4823237466.

Adding to 3251542405 its reverse (5042451523), we get a palindrome (8293993928).

The spelling of 3251542405 in words is "three billion, two hundred fifty-one million, five hundred forty-two thousand, four hundred five".