25163213 has 16 divisors (see below), whose sum is σ = 28226880. Its totient is φ = 22315776.

The previous prime is 25163197. The next prime is 25163221. The reversal of 25163213 is 31236152.

It is a cyclic number.

It is not a de Polignac number, because 25163213 - 2⁴ = 25163197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25163263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20606 + ... + 21792.

It is an arithmetic number, because the mean of its divisors is an integer number (1764180).

Almost surely, 2^25163213 is an apocalyptic number.

It is an amenable number.

25163213 is a deficient number, since it is larger than the sum of its proper divisors (3063667).

25163213 is a wasteful number, since it uses less digits than its factorization.

25163213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its digits is 1080, while the sum is 23.

The square root of 25163213 is about 5016.2947481184. The cubic root of 25163213 is about 293.0367110288.

Adding to 25163213 its reverse (31236152), we get a palindrome (56399365).

The spelling of 25163213 in words is "twenty-five million, one hundred sixty-three thousand, two hundred thirteen".