25318234 has 4 divisors (see below), whose sum is σ = 37977354. Its totient is φ = 12659116.

The previous prime is 25318231. The next prime is 25318273. The reversal of 25318234 is 43281352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19053225 + 6265009 = 4365^2 + 2503^2 .

It is a super-3 number, since 3×25318234³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25318231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6329557 + ... + 6329560.

Almost surely, 2^25318234 is an apocalyptic number.

25318234 is a deficient number, since it is larger than the sum of its proper divisors (12659120).

25318234 is a wasteful number, since it uses less digits than its factorization.

25318234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12659119.

The product of its digits is 5760, while the sum is 28.

The square root of 25318234 is about 5031.7227666079. The cubic root of 25318234 is about 293.6372421309.

Adding to 25318234 its reverse (43281352), we get a palindrome (68599586).

It can be divided in two parts, 25318 and 234, that added together give a palindrome (25552).

The spelling of 25318234 in words is "twenty-five million, three hundred eighteen thousand, two hundred thirty-four".