25630213 has 8 divisors (see below), whose sum is σ = 29594432. Its totient is φ = 21741696.

The previous prime is 25630201. The next prime is 25630243. The reversal of 25630213 is 31203652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25630213 - 2⁹ = 25629701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25630243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18195 + ... + 19552.

It is an arithmetic number, because the mean of its divisors is an integer number (3699304).

Almost surely, 2^25630213 is an apocalyptic number.

It is an amenable number.

25630213 is a deficient number, since it is larger than the sum of its proper divisors (3964219).

25630213 is an equidigital number, since it uses as much as digits as its factorization.

25630213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37851.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 25630213 is about 5062.6290600833. The cubic root of 25630213 is about 294.8384176880.

Adding to 25630213 its reverse (31203652), we get a palindrome (56833865).

The spelling of 25630213 in words is "twenty-five million, six hundred thirty thousand, two hundred thirteen".