25125213 has 16 divisors (see below), whose sum is σ = 34695936. Its totient is φ = 16162560.

The previous prime is 25125197. The next prime is 25125227. The reversal of 25125213 is 31252152.

It is not a de Polignac number, because 25125213 - 2⁴ = 25125197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25125213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25125253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9073 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (2168496).

Almost surely, 2^25125213 is an apocalyptic number.

It is an amenable number.

25125213 is a deficient number, since it is larger than the sum of its proper divisors (9570723).

25125213 is a wasteful number, since it uses less digits than its factorization.

25125213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its digits is 600, while the sum is 21.

The square root of 25125213 is about 5012.5056608447. The cubic root of 25125213 is about 292.8891277946.

Adding to 25125213 its reverse (31252152), we get a palindrome (56377365).

It can be divided in two parts, 2 and 5125213, that added together give a palindrome (5125215).

The spelling of 25125213 in words is "twenty-five million, one hundred twenty-five thousand, two hundred thirteen".