2505263 has 2 divisors, whose sum is σ = 2505264. Its totient is φ = 2505262.

The previous prime is 2505259. The next prime is 2505271. The reversal of 2505263 is 3625052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505263 - 2² = 2505259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252631 + 1252632.

It is an arithmetic number, because the mean of its divisors is an integer number (1252632).

2^2505263 is an apocalyptic number.

2505263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505263 is an equidigital number, since it uses as much as digits as its factorization.

2505263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2505263 is about 1582.8022618129. The cubic root of 2505263 is about 135.8160539409.

The spelling of 2505263 in words is "two million, five hundred five thousand, two hundred sixty-three".