3242420345 has 4 divisors (see below), whose sum is σ = 3890904420. Its totient is φ = 2593936272.

The previous prime is 3242420329. The next prime is 3242420347. The reversal of 3242420345 is 5430242423.

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: 5430242423 = 337 ⋅16113479.

It can be written as a sum of positive squares in 2 ways, for example, as 2196609424 + 1045810921 = 46868^2 + 32339^2 .

It is a cyclic number.

It is not a de Polignac number, because 3242420345 - 2⁴ = 3242420329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3242420347) 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, 324242030 + ... + 324242039.

It is an arithmetic number, because the mean of its divisors is an integer number (972726105).

Almost surely, 2^3242420345 is an apocalyptic number.

It is an amenable number.

3242420345 is a deficient number, since it is larger than the sum of its proper divisors (648484075).

3242420345 is an equidigital number, since it uses as much as digits as its factorization.

3242420345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648484074.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 3242420345 is about 56942.2544776724. The cubic root of 3242420345 is about 1480.0956148660.

Adding to 3242420345 its reverse (5430242423), we get a palindrome (8672662768).

The spelling of 3242420345 in words is "three billion, two hundred forty-two million, four hundred twenty thousand, three hundred forty-five".