25003055 has 32 divisors (see below), whose sum is σ = 37836288. Its totient is φ = 15408000.

The previous prime is 25003049. The next prime is 25003057. The reversal of 25003055 is 55030052.

It is not a de Polignac number, because 25003055 - 2⁸ = 25002799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25003057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38564 + ... + 39206.

It is an arithmetic number, because the mean of its divisors is an integer number (1182384).

Almost surely, 2^25003055 is an apocalyptic number.

25003055 is a deficient number, since it is larger than the sum of its proper divisors (12833233).

25003055 is a wasteful number, since it uses less digits than its factorization.

25003055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 25003055 is about 5000.3054906675. The cubic root of 25003055 is about 292.4136838351.

It can be divided in two parts, 2500 and 3055, that added together give a palindrome (5555).

The spelling of 25003055 in words is "twenty-five million, three thousand, fifty-five".