25206930 has 64 divisors (see below), whose sum is σ = 76826880. Its totient is φ = 5761152.

The previous prime is 25206871. The next prime is 25206931. The reversal of 25206930 is 3960252.

It is a Harshad number since it is a multiple of its sum of digits (27).

25206930 is a modest number, since divided by 6930 gives 2520 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 25206894 and 25206903.

It is not an unprimeable number, because it can be changed into a prime (25206931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4779 + ... + 8558.

It is an arithmetic number, because the mean of its divisors is an integer number (1200420).

Almost surely, 2^25206930 is an apocalyptic number.

25206930 is an abundant number, since it is smaller than the sum of its proper divisors (51619950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25206930 is a wasteful number, since it uses less digits than its factorization.

25206930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360 (or 13354 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 25206930 is about 5020.6503562786. The cubic root of 25206930 is about 293.2063140947.

The spelling of 25206930 in words is "twenty-five million, two hundred six thousand, nine hundred thirty".