25213313 has 8 divisors (see below), whose sum is σ = 26742336. Its totient is φ = 23720400.

The previous prime is 25213301. The next prime is 25213369. The reversal of 25213313 is 31331252.

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 25213313 - 2¹⁰ = 25212289 is a prime.

It is a super-2 number, since 2×25213313² = 1271422304871938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25213393) 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, 7583 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (3342792).

Almost surely, 2^25213313 is an apocalyptic number.

25213313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25213313 is a deficient number, since it is larger than the sum of its proper divisors (1529023).

25213313 is a wasteful number, since it uses less digits than its factorization.

25213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18055.

The product of its digits is 540, while the sum is 20.

The square root of 25213313 is about 5021.2859906602. The cubic root of 25213313 is about 293.2310609659.

Adding to 25213313 its reverse (31331252), we get a palindrome (56544565).

The spelling of 25213313 in words is "twenty-five million, two hundred thirteen thousand, three hundred thirteen".