2975623 has 6 divisors (see below), whose sum is σ = 3461496. Its totient is φ = 2550492.

The previous prime is 2975593. The next prime is 2975639. The reversal of 2975623 is 3265792.

It is a happy number.

It is not a de Polignac number, because 2975623 - 2⁹ = 2975111 is a prime.

It is a Duffinian number.

2975623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2975653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30315 + ... + 30412.

It is an arithmetic number, because the mean of its divisors is an integer number (576916).

2^2975623 is an apocalyptic number.

2975623 is a deficient number, since it is larger than the sum of its proper divisors (485873).

2975623 is an equidigital number, since it uses as much as digits as its factorization.

2975623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60741 (or 60734 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 2975623 is about 1724.9994202898. Note that the first 3 decimals coincide. The cubic root of 2975623 is about 143.8332528460.

The spelling of 2975623 in words is "two million, nine hundred seventy-five thousand, six hundred twenty-three".