25312330 has 8 divisors (see below), whose sum is σ = 45562212. Its totient is φ = 10124928.

The previous prime is 25312327. The next prime is 25312361. The reversal of 25312330 is 3321352.

It can be written as a sum of positive squares in 2 ways, for example, as 25310961 + 1369 = 5031^2 + 37^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 25312298 and 25312307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265607 + ... + 1265626.

Almost surely, 2^25312330 is an apocalyptic number.

25312330 is a deficient number, since it is larger than the sum of its proper divisors (20249882).

25312330 is a wasteful number, since it uses less digits than its factorization.

25312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531240.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 25312330 is about 5031.1360546103. The cubic root of 25312330 is about 293.6144157751.

Adding to 25312330 its reverse (3321352), we get a palindrome (28633682).

The spelling of 25312330 in words is "twenty-five million, three hundred twelve thousand, three hundred thirty".