3251552121 has 6 divisors (see below), whose sum is σ = 4696686410. Its totient is φ = 2167701408.

The previous prime is 3251552093. The next prime is 3251552153. The reversal of 3251552121 is 1212551523.

It can be written as a sum of positive squares in only one way, i.e., 3140481600 + 111070521 = 56040^2 + 10539^2 .

It is not a de Polignac number, because 3251552121 - 2⁵ = 3251552089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3251532121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180641776 + ... + 180641793.

Almost surely, 2^3251552121 is an apocalyptic number.

It is an amenable number.

3251552121 is a deficient number, since it is larger than the sum of its proper divisors (1445134289).

3251552121 is a wasteful number, since it uses less digits than its factorization.

3251552121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361283575 (or 361283572 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 3251552121 is about 57022.3826317351. The cubic root of 3251552121 is about 1481.4837993609.

The spelling of 3251552121 in words is "three billion, two hundred fifty-one million, five hundred fifty-two thousand, one hundred twenty-one".