2345566 has 4 divisors (see below), whose sum is σ = 3518352. Its totient is φ = 1172782.

The previous prime is 2345543. The next prime is 2345573. The reversal of 2345566 is 6655432.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586390 + ... + 586393.

It is an arithmetic number, because the mean of its divisors is an integer number (879588).

2^2345566 is an apocalyptic number.

2345566 is a deficient number, since it is larger than the sum of its proper divisors (1172786).

2345566 is a wasteful number, since it uses less digits than its factorization.

2345566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172785.

The product of its digits is 21600, while the sum is 31.

The square root of 2345566 is about 1531.5240775123. The cubic root of 2345566 is about 132.8666196324.

The spelling of 2345566 in words is "two million, three hundred forty-five thousand, five hundred sixty-six".