3245741221 has 4 divisors (see below), whose sum is σ = 3246493600. Its totient is φ = 3244988844.

The previous prime is 3245741189. The next prime is 3245741273. The reversal of 3245741221 is 1221475423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3245741221 - 2⁵ = 3245741189 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 (3245741021) 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, 369681 + ... + 378358.

It is an arithmetic number, because the mean of its divisors is an integer number (811623400).

Almost surely, 2^3245741221 is an apocalyptic number.

It is an amenable number.

3245741221 is a deficient number, since it is larger than the sum of its proper divisors (752379).

3245741221 is an equidigital number, since it uses as much as digits as its factorization.

3245741221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752378.

The product of its digits is 13440, while the sum is 31.

The square root of 3245741221 is about 56971.4070477463. The cubic root of 3245741221 is about 1480.6007454360.

The spelling of 3245741221 in words is "three billion, two hundred forty-five million, seven hundred forty-one thousand, two hundred twenty-one".