3251252005 has 4 divisors (see below), whose sum is σ = 3901502412. Its totient is φ = 2601001600.

The previous prime is 3251251987. The next prime is 3251252033. The reversal of 3251252005 is 5002521523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5002521523 = 89 ⋅56208107.

It can be written as a sum of positive squares in 2 ways, for example, as 2023380324 + 1227871681 = 44982^2 + 35041^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3251252005 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, 325125196 + ... + 325125205.

It is an arithmetic number, because the mean of its divisors is an integer number (975375603).

Almost surely, 2^3251252005 is an apocalyptic number.

It is an amenable number.

3251252005 is a deficient number, since it is larger than the sum of its proper divisors (650250407).

3251252005 is an equidigital number, since it uses as much as digits as its factorization.

3251252005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650250406.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 3251252005 is about 57019.7510078745. The cubic root of 3251252005 is about 1481.4382179836.

Adding to 3251252005 its reverse (5002521523), we get a palindrome (8253773528).

The spelling of 3251252005 in words is "three billion, two hundred fifty-one million, two hundred fifty-two thousand, five".