2506323 has 4 divisors (see below), whose sum is σ = 3341768. Its totient is φ = 1670880.

The previous prime is 2506321. The next prime is 2506337. The reversal of 2506323 is 3236052.

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

It is not a de Polignac number, because 2506323 - 2¹ = 2506321 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2506323.

It is not an unprimeable number, because it can be changed into a prime (2506321) 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, 417718 + ... + 417723.

It is an arithmetic number, because the mean of its divisors is an integer number (835442).

2^2506323 is an apocalyptic number.

2506323 is a deficient number, since it is larger than the sum of its proper divisors (835445).

2506323 is an equidigital number, since it uses as much as digits as its factorization.

2506323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835444.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2506323 is about 1583.1370755560. The cubic root of 2506323 is about 135.8352062505.

The spelling of 2506323 in words is "two million, five hundred six thousand, three hundred twenty-three".