2546623 has 4 divisors (see below), whose sum is σ = 2556360. Its totient is φ = 2536888.

The previous prime is 2546611. The next prime is 2546657. The reversal of 2546623 is 3266452.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2546623 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2546591 and 2546600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546683) 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, 4465 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (639090).

2^2546623 is an apocalyptic number.

2546623 is a deficient number, since it is larger than the sum of its proper divisors (9737).

2546623 is an equidigital number, since it uses as much as digits as its factorization.

2546623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736.

The product of its digits is 8640, while the sum is 28.

The square root of 2546623 is about 1595.8142122440. The cubic root of 2546623 is about 136.5593850386.

The spelling of 2546623 in words is "two million, five hundred forty-six thousand, six hundred twenty-three".