25630234 has 48 divisors (see below), whose sum is σ = 47573568. Its totient is φ = 10304448.

The previous prime is 25630201. The next prime is 25630243. The reversal of 25630234 is 43203652.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25630199 and 25630208.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 187014 + ... + 187150.

It is an arithmetic number, because the mean of its divisors is an integer number (991116).

Almost surely, 2^25630234 is an apocalyptic number.

25630234 is a deficient number, since it is larger than the sum of its proper divisors (21943334).

25630234 is a wasteful number, since it uses less digits than its factorization.

25630234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 25630234 is about 5062.6311341041. The cubic root of 25630234 is about 294.8384982128.

Adding to 25630234 its reverse (43203652), we get a palindrome (68833886).

The spelling of 25630234 in words is "twenty-five million, six hundred thirty thousand, two hundred thirty-four".