25013205 has 96 divisors (see below), whose sum is σ = 54722304. Its totient is φ = 10699776.

The previous prime is 25013203. The next prime is 25013207. The reversal of 25013205 is 50231052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25013203) and next prime (25013207).

It is not a de Polignac number, because 25013205 - 2¹ = 25013203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25013203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144499 + ... + 144671.

It is an arithmetic number, because the mean of its divisors is an integer number (570024).

Almost surely, 2^25013205 is an apocalyptic number.

It is an amenable number.

25013205 is an abundant number, since it is smaller than the sum of its proper divisors (29709099).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25013205 is a wasteful number, since it uses less digits than its factorization.

25013205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 25013205 is about 5001.3203256740. The cubic root of 25013205 is about 292.4532469653.

Adding to 25013205 its reverse (50231052), we get a palindrome (75244257).

The spelling of 25013205 in words is "twenty-five million, thirteen thousand, two hundred five".