3251532121 has 2 divisors, whose sum is σ = 3251532122. Its totient is φ = 3251532120.

The previous prime is 3251532077. The next prime is 3251532133. The reversal of 3251532121 is 1212351523.

3251532121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2581757721 + 669774400 = 50811^2 + 25880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3251532121 is a prime.

It is a super-2 number, since 2×3251532121² = 21144922267789517282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3251532191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625766060 + 1625766061.

It is an arithmetic number, because the mean of its divisors is an integer number (1625766061).

Almost surely, 2^3251532121 is an apocalyptic number.

It is an amenable number.

3251532121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3251532121 is an equidigital number, since it uses as much as digits as its factorization.

3251532121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 3251532121 is about 57022.2072617327. The cubic root of 3251532121 is about 1481.4807618642.

Adding to 3251532121 its reverse (1212351523), we get a palindrome (4463883644).

The spelling of 3251532121 in words is "three billion, two hundred fifty-one million, five hundred thirty-two thousand, one hundred twenty-one".