25306030 has 16 divisors (see below), whose sum is σ = 48230640. Its totient is φ = 9526912.

The previous prime is 25306027. The next prime is 25306031. The reversal of 25306030 is 3060352.

It is a junction number, because it is equal to n+sod(n) for n = 25305989 and 25306007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25306031) 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 in 7 ways as a sum of consecutive naturals, for example, 74260 + ... + 74599.

It is an arithmetic number, because the mean of its divisors is an integer number (3014415).

Almost surely, 2^25306030 is an apocalyptic number.

25306030 is a deficient number, since it is larger than the sum of its proper divisors (22924610).

25306030 is a wasteful number, since it uses less digits than its factorization.

25306030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148883.

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

The square root of 25306030 is about 5030.5099145116. The cubic root of 25306030 is about 293.5900544684.

Adding to 25306030 its reverse (3060352), we get a palindrome (28366382).

The spelling of 25306030 in words is "twenty-five million, three hundred six thousand, thirty".