25520050 has 12 divisors (see below), whose sum is σ = 47467386. Its totient is φ = 10208000.

The previous prime is 25520017. The next prime is 25520051. The reversal of 25520050 is 5002552.

It can be written as a sum of positive squares in 3 ways, for example, as 12967201 + 12552849 = 3601^2 + 3543^2 .

It is not an unprimeable number, because it can be changed into a prime (25520051) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 255151 + ... + 255250.

Almost surely, 2^25520050 is an apocalyptic number.

25520050 is a deficient number, since it is larger than the sum of its proper divisors (21947336).

25520050 is a wasteful number, since it uses less digits than its factorization.

25520050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510413 (or 510408 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 25520050 is about 5051.7373249210. The cubic root of 25520050 is about 294.4153891929.

The spelling of 25520050 in words is "twenty-five million, five hundred twenty thousand, fifty".