25103930 has 16 divisors (see below), whose sum is σ = 45390240. Its totient is φ = 9996432.

The previous prime is 25103929. The next prime is 25103933. The reversal of 25103930 is 3930152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25103896 and 25103905.

It is not an unprimeable number, because it can be changed into a prime (25103933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (2836890).

Almost surely, 2^25103930 is an apocalyptic number.

25103930 is a deficient number, since it is larger than the sum of its proper divisors (20286310).

25103930 is a wasteful number, since it uses less digits than its factorization.

25103930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 25103930 is about 5010.3822209488. The cubic root of 25103930 is about 292.8064045127.

Subtracting from 25103930 its reverse (3930152), we obtain a triangular number (21173778 = T₆₅₀₇).

The spelling of 25103930 in words is "twenty-five million, one hundred three thousand, nine hundred thirty".