25317122 has 8 divisors (see below), whose sum is σ = 38003196. Its totient is φ = 12649392.

The previous prime is 25317121. The next prime is 25317133. The reversal of 25317122 is 22171352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24019801 + 1297321 = 4901^2 + 1139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25317121) 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, 353 + ... + 7124.

Almost surely, 2^25317122 is an apocalyptic number.

25317122 is a deficient number, since it is larger than the sum of its proper divisors (12686074).

25317122 is a wasteful number, since it uses less digits than its factorization.

25317122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172.

The product of its digits is 840, while the sum is 23.

The square root of 25317122 is about 5031.6122664609. The cubic root of 25317122 is about 293.6329431292.

Adding to 25317122 its reverse (22171352), we get a palindrome (47488474).

The spelling of 25317122 in words is "twenty-five million, three hundred seventeen thousand, one hundred twenty-two".