25273563 has 12 divisors (see below), whose sum is σ = 39200040. Its totient is φ = 14441952.

The previous prime is 25273561. The next prime is 25273603. The reversal of 25273563 is 36537252.

It is not a de Polignac number, because 25273563 - 2¹ = 25273561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25273561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85818 + ... + 86111.

It is an arithmetic number, because the mean of its divisors is an integer number (3266670).

Almost surely, 2^25273563 is an apocalyptic number.

25273563 is a deficient number, since it is larger than the sum of its proper divisors (13926477).

25273563 is a wasteful number, since it uses less digits than its factorization.

25273563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171946 (or 171939 counting only the distinct ones).

The product of its digits is 37800, while the sum is 33.

The square root of 25273563 is about 5027.2818699572. The cubic root of 25273563 is about 293.4644445164.

The spelling of 25273563 in words is "twenty-five million, two hundred seventy-three thousand, five hundred sixty-three".