25523030 has 16 divisors (see below), whose sum is σ = 49475664. Its totient is φ = 9423840.

The previous prime is 25523011. The next prime is 25523087. The reversal of 25523030 is 3032552.

It is a junction number, because it is equal to n+sod(n) for n = 25522993 and 25523011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98036 + ... + 98295.

It is an arithmetic number, because the mean of its divisors is an integer number (3092229).

Almost surely, 2^25523030 is an apocalyptic number.

25523030 is a deficient number, since it is larger than the sum of its proper divisors (23952634).

25523030 is a wasteful number, since it uses less digits than its factorization.

25523030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196351.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 25523030 is about 5052.0322643467. The cubic root of 25523030 is about 294.4268484666.

Adding to 25523030 its reverse (3032552), we get a palindrome (28555582).

The spelling of 25523030 in words is "twenty-five million, five hundred twenty-three thousand, thirty".