25004213 has 4 divisors (see below), whose sum is σ = 26927628. Its totient is φ = 23080800.

The previous prime is 25004207. The next prime is 25004233. The reversal of 25004213 is 31240052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2184484 + 22819729 = 1478^2 + 4777^2 .

It is a cyclic number.

It is not a de Polignac number, because 25004213 - 2⁶ = 25004149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25004191 and 25004200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25004233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961688 + ... + 961713.

It is an arithmetic number, because the mean of its divisors is an integer number (6731907).

Almost surely, 2^25004213 is an apocalyptic number.

It is an amenable number.

25004213 is a deficient number, since it is larger than the sum of its proper divisors (1923415).

25004213 is a wasteful number, since it uses less digits than its factorization.

25004213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923414.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25004213 is about 5000.4212822521. The cubic root of 25004213 is about 292.4181980810.

Adding to 25004213 its reverse (31240052), we get a palindrome (56244265).

The spelling of 25004213 in words is "twenty-five million, four thousand, two hundred thirteen".