25550412 has 24 divisors (see below), whose sum is σ = 59906112. Its totient is φ = 8475600.

The previous prime is 25550411. The next prime is 25550419. The reversal of 25550412 is 21405552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25550411) 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 7 ways as a sum of consecutive naturals, for example, 2514 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (2496088).

Almost surely, 2^25550412 is an apocalyptic number.

It is an amenable number.

25550412 is an abundant number, since it is smaller than the sum of its proper divisors (34355700).

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

25550412 is a wasteful number, since it uses less digits than its factorization.

25550412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309 (or 10307 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 25550412 is about 5054.7415364190. The cubic root of 25550412 is about 294.5321013123.

Adding to 25550412 its reverse (21405552), we get a palindrome (46955964).

The spelling of 25550412 in words is "twenty-five million, five hundred fifty thousand, four hundred twelve".