3450561 has 4 divisors (see below), whose sum is σ = 4600752. Its totient is φ = 2300372.

The previous prime is 3450539. The next prime is 3450569. The reversal of 3450561 is 1650543.

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: 1650543 = 3 ⋅550181.

It is a cyclic number.

It is not a de Polignac number, because 3450561 - 2⁹ = 3450049 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

3450561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3450569) 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, 575091 + ... + 575096.

It is an arithmetic number, because the mean of its divisors is an integer number (1150188).

Almost surely, 2^3450561 is an apocalyptic number.

It is an amenable number.

3450561 is a deficient number, since it is larger than the sum of its proper divisors (1150191).

3450561 is a wasteful number, since it uses less digits than its factorization.

3450561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150190.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3450561 is about 1857.5685720856. The cubic root of 3450561 is about 151.1111705634. Note that the first 4 decimals are identical.

The spelling of 3450561 in words is "three million, four hundred fifty thousand, five hundred sixty-one".