25254213 has 4 divisors (see below), whose sum is σ = 33672288. Its totient is φ = 16836140.

The previous prime is 25254209. The next prime is 25254217. The reversal of 25254213 is 31245252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25254209) and next prime (25254217).

It is a cyclic number.

It is not a de Polignac number, because 25254213 - 2² = 25254209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25254217) 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, 4209033 + ... + 4209038.

It is an arithmetic number, because the mean of its divisors is an integer number (8418072).

Almost surely, 2^25254213 is an apocalyptic number.

It is an amenable number.

25254213 is a deficient number, since it is larger than the sum of its proper divisors (8418075).

25254213 is an equidigital number, since it uses as much as digits as its factorization.

25254213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418074.

The product of its digits is 2400, while the sum is 24.

The square root of 25254213 is about 5025.3570022437. The cubic root of 25254213 is about 293.3895311003.

Adding to 25254213 its reverse (31245252), we get a palindrome (56499465).

The spelling of 25254213 in words is "twenty-five million, two hundred fifty-four thousand, two hundred thirteen".