25980770 has 16 divisors (see below), whose sum is σ = 46942848. Its totient is φ = 10352880.

The previous prime is 25980769. The next prime is 25980793. The reversal of 25980770 is 7708952.

It is a Curzon 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, 2084 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (2933928).

Almost surely, 2^25980770 is an apocalyptic number.

25980770 is a deficient number, since it is larger than the sum of its proper divisors (20962078).

25980770 is a wasteful number, since it uses less digits than its factorization.

25980770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 25980770 is about 5097.1335081593. The cubic root of 25980770 is about 296.1765519046.

The spelling of 25980770 in words is "twenty-five million, nine hundred eighty thousand, seven hundred seventy".