3425532421 has 2 divisors, whose sum is σ = 3425532422. Its totient is φ = 3425532420.

The previous prime is 3425532367. The next prime is 3425532431. The reversal of 3425532421 is 1242355243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3325252225 + 100280196 = 57665^2 + 10014^2 .

It is an emirp because it is prime and its reverse (1242355243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3425532421 - 2¹⁹ = 3425008133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3425532431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712766210 + 1712766211.

It is an arithmetic number, because the mean of its divisors is an integer number (1712766211).

Almost surely, 2^3425532421 is an apocalyptic number.

It is an amenable number.

3425532421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3425532421 is an equidigital number, since it uses as much as digits as its factorization.

3425532421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

The square root of 3425532421 is about 58528.0481564181. The cubic root of 3425532421 is about 1507.4492293414.

Adding to 3425532421 its reverse (1242355243), we get a palindrome (4667887664).

The spelling of 3425532421 in words is "three billion, four hundred twenty-five million, five hundred thirty-two thousand, four hundred twenty-one".