2513723 has 2 divisors, whose sum is σ = 2513724. Its totient is φ = 2513722.

The previous prime is 2513699. The next prime is 2513729. The reversal of 2513723 is 3273152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2513723 - 2⁶ = 2513659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2513729) 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 as a sum of consecutive naturals, namely, 1256861 + 1256862.

It is an arithmetic number, because the mean of its divisors is an integer number (1256862).

2^2513723 is an apocalyptic number.

2513723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513723 is an equidigital number, since it uses as much as digits as its factorization.

2513723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 23.

The square root of 2513723 is about 1585.4724847817. The cubic root of 2513723 is about 135.9687608468.

Adding to 2513723 its reverse (3273152), we get a palindrome (5786875).

The spelling of 2513723 in words is "two million, five hundred thirteen thousand, seven hundred twenty-three".