3125623 has 4 divisors (see below), whose sum is σ = 3131128. Its totient is φ = 3120120.

The previous prime is 3125611. The next prime is 3125651. The reversal of 3125623 is 3265213.

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

It is a cyclic number.

It is not a de Polignac number, because 3125623 - 2¹³ = 3117431 is a prime.

It is a Duffinian number.

3125623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3125594 and 3125603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125323) 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, 1788 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (782782).

Almost surely, 2^3125623 is an apocalyptic number.

3125623 is a deficient number, since it is larger than the sum of its proper divisors (5505).

3125623 is an equidigital number, since it uses as much as digits as its factorization.

3125623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504.

The product of its digits is 1080, while the sum is 22.

The square root of 3125623 is about 1767.9431551948. The cubic root of 3125623 is about 146.2106018014.

The spelling of 3125623 in words is "three million, one hundred twenty-five thousand, six hundred twenty-three".