3425281 has 2 divisors, whose sum is σ = 3425282. Its totient is φ = 3425280.

The previous prime is 3425273. The next prime is 3425291. The reversal of 3425281 is 1825243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 1440000 = 1409^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 3425281 - 2³ = 3425273 is a prime.

It is a super-2 number, since 2×3425281² = 23465099857922, which contains 22 as substring.

It is an Ulam number.

3425281 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3425291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712640 + 1712641.

It is an arithmetic number, because the mean of its divisors is an integer number (1712641).

Almost surely, 2^3425281 is an apocalyptic number.

It is an amenable number.

3425281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3425281 is an equidigital number, since it uses as much as digits as its factorization.

3425281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 3425281 is about 1850.7514689985. The cubic root of 3425281 is about 150.7412348100.

The spelling of 3425281 in words is "three million, four hundred twenty-five thousand, two hundred eighty-one".