2501263 has 4 divisors (see below), whose sum is σ = 2518200. Its totient is φ = 2484328.

The previous prime is 2501251. The next prime is 2501269. The reversal of 2501263 is 3621052.

It is a happy number.

2501263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-2501263 is a prime.

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 2501263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8245 + ... + 8542.

It is an arithmetic number, because the mean of its divisors is an integer number (629550).

2^2501263 is an apocalyptic number.

2501263 is a deficient number, since it is larger than the sum of its proper divisors (16937).

2501263 is a wasteful number, since it uses less digits than its factorization.

2501263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16936.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2501263 is about 1581.5381753217. The cubic root of 2501263 is about 135.7437323783.

The spelling of 2501263 in words is "two million, five hundred one thousand, two hundred sixty-three".