3452425421 has 4 divisors (see below), whose sum is σ = 3494020992. Its totient is φ = 3410829852.

The previous prime is 3452425393. The next prime is 3452425423. The reversal of 3452425421 is 1245242543.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1245242543 = 401 ⋅3105343.

It is a cyclic number.

It is not a de Polignac number, because 3452425421 - 2¹⁰ = 3452424397 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 (3452425423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20797661 + ... + 20797826.

It is an arithmetic number, because the mean of its divisors is an integer number (873505248).

Almost surely, 2^3452425421 is an apocalyptic number.

It is an amenable number.

3452425421 is a deficient number, since it is larger than the sum of its proper divisors (41595571).

3452425421 is an equidigital number, since it uses as much as digits as its factorization.

3452425421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41595570.

The product of its digits is 38400, while the sum is 32.

The square root of 3452425421 is about 58757.3435495513. The cubic root of 3452425421 is about 1511.3838199482.

Adding to 3452425421 its reverse (1245242543), we get a palindrome (4697667964).

It can be divided in two parts, 345242542 and 1, that added together give a palindrome (345242543).

The spelling of 3452425421 in words is "three billion, four hundred fifty-two million, four hundred twenty-five thousand, four hundred twenty-one".