3425163121 has 2 divisors, whose sum is σ = 3425163122. Its totient is φ = 3425163120.

The previous prime is 3425163113. The next prime is 3425163169. The reversal of 3425163121 is 1213615243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2847289600 + 577873521 = 53360^2 + 24039^2 .

It is an emirp because it is prime and its reverse (1213615243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3425163121 - 2³ = 3425163113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3425163121.

It is not a weakly prime, because it can be changed into another prime (3425163101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712581560 + 1712581561.

It is an arithmetic number, because the mean of its divisors is an integer number (1712581561).

Almost surely, 2^3425163121 is an apocalyptic number.

It is an amenable number.

3425163121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3425163121 is an equidigital number, since it uses as much as digits as its factorization.

3425163121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 3425163121 is about 58524.8931737598. The cubic root of 3425163121 is about 1507.3950556696.

Adding to 3425163121 its reverse (1213615243), we get a palindrome (4638778364).

The spelling of 3425163121 in words is "three billion, four hundred twenty-five million, one hundred sixty-three thousand, one hundred twenty-one".