3425561 has 4 divisors (see below), whose sum is σ = 3429300. Its totient is φ = 3421824.

The previous prime is 3425507. The next prime is 3425579. The reversal of 3425561 is 1655243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1655243 = 53 ⋅31231.

It can be written as a sum of positive squares in 2 ways, for example, as 2343961 + 1081600 = 1531^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 3425561 - 2¹⁴ = 3409177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3425561.

It is not an unprimeable number, because it can be changed into a prime (3425581) 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, 545 + ... + 2673.

It is an arithmetic number, because the mean of its divisors is an integer number (857325).

Almost surely, 2^3425561 is an apocalyptic number.

It is an amenable number.

3425561 is a deficient number, since it is larger than the sum of its proper divisors (3739).

3425561 is a wasteful number, since it uses less digits than its factorization.

3425561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738.

The product of its digits is 3600, while the sum is 26.

The square root of 3425561 is about 1850.8271124014. The cubic root of 3425561 is about 150.7453421514.

The spelling of 3425561 in words is "three million, four hundred twenty-five thousand, five hundred sixty-one".