25550130 has 16 divisors (see below), whose sum is σ = 61320384. Its totient is φ = 6813360.

The previous prime is 25550123. The next prime is 25550143. The reversal of 25550130 is 3105552.

It is a junction number, because it is equal to n+sod(n) for n = 25550097 and 25550106.

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, 425806 + ... + 425865.

It is an arithmetic number, because the mean of its divisors is an integer number (3832524).

Almost surely, 2^25550130 is an apocalyptic number.

25550130 is an abundant number, since it is smaller than the sum of its proper divisors (35770254).

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

25550130 is a wasteful number, since it uses less digits than its factorization.

25550130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851681.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 25550130 is about 5054.7136417407. The cubic root of 25550130 is about 294.5310177243.

Adding to 25550130 its reverse (3105552), we get a palindrome (28655682).

The spelling of 25550130 in words is "twenty-five million, five hundred fifty thousand, one hundred thirty".