2505793 has 2 divisors, whose sum is σ = 2505794. Its totient is φ = 2505792.

The previous prime is 2505791. The next prime is 2505809. The reversal of 2505793 is 3975052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 1046529 = 1208^2 + 1023^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505793 - 2¹ = 2505791 is a prime.

Together with 2505791, it forms a pair of twin primes.

2505793 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2505791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252896 + 1252897.

It is an arithmetic number, because the mean of its divisors is an integer number (1252897).

2^2505793 is an apocalyptic number.

It is an amenable number.

2505793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505793 is an equidigital number, since it uses as much as digits as its factorization.

2505793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 2505793 is about 1582.9696775365. The cubic root of 2505793 is about 135.8256307709.

The spelling of 2505793 in words is "two million, five hundred five thousand, seven hundred ninety-three".