25920050 has 24 divisors (see below), whose sum is σ = 51921156. Its totient is φ = 9570240.

The previous prime is 25920031. The next prime is 25920079. The reversal of 25920050 is 5002952.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1605289 + 24314761 = 1267^2 + 4931^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25919998 and 25920025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19289 + ... + 20588.

Almost surely, 2^25920050 is an apocalyptic number.

25920050 is an abundant number, since it is smaller than the sum of its proper divisors (26001106).

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

25920050 is a wasteful number, since it uses less digits than its factorization.

25920050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39902 (or 39897 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 25920050 is about 5091.1737350045. The cubic root of 25920050 is about 295.9456392137.

It can be divided in two parts, 259200 and 50, that multiplied together give a 4-th power (12960000 = 60⁴).

The spelling of 25920050 in words is "twenty-five million, nine hundred twenty thousand, fifty".