3245024021 has 2 divisors, whose sum is σ = 3245024022. Its totient is φ = 3245024020.

The previous prime is 3245024017. The next prime is 3245024053. The reversal of 3245024021 is 1204205423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3160126225 + 84897796 = 56215^2 + 9214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3245024021 - 2² = 3245024017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3245024921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622512010 + 1622512011.

It is an arithmetic number, because the mean of its divisors is an integer number (1622512011).

Almost surely, 2^3245024021 is an apocalyptic number.

It is an amenable number.

3245024021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245024021 is an equidigital number, since it uses as much as digits as its factorization.

3245024021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 3245024021 is about 56965.1123144684. The cubic root of 3245024021 is about 1480.4916830261.

Adding to 3245024021 its reverse (1204205423), we get a palindrome (4449229444).

The spelling of 3245024021 in words is "three billion, two hundred forty-five million, twenty-four thousand, twenty-one".