3252413621 has 4 divisors (see below), whose sum is σ = 3252938700. Its totient is φ = 3251888544.

The previous prime is 3252413617. The next prime is 3252413641. The reversal of 3252413621 is 1263142523.

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: 1263142523 = 31 ⋅40746533.

It can be written as a sum of positive squares in 2 ways, for example, as 503508721 + 2748904900 = 22439^2 + 52430^2 .

It is a cyclic number.

It is not a de Polignac number, because 3252413621 - 2² = 3252413617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3252413611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253136 + ... + 265673.

It is an arithmetic number, because the mean of its divisors is an integer number (813234675).

Almost surely, 2^3252413621 is an apocalyptic number.

It is an amenable number.

3252413621 is a deficient number, since it is larger than the sum of its proper divisors (525079).

3252413621 is an equidigital number, since it uses as much as digits as its factorization.

3252413621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525078.

The product of its digits is 8640, while the sum is 29.

The square root of 3252413621 is about 57029.9361826751. The cubic root of 3252413621 is about 1481.6146277103.

The spelling of 3252413621 in words is "three billion, two hundred fifty-two million, four hundred thirteen thousand, six hundred twenty-one".