25349166 has 16 divisors (see below), whose sum is σ = 56331600. Its totient is φ = 8449704.

The previous prime is 25349153. The next prime is 25349167. The reversal of 25349166 is 66194352.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25349166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25349167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234661 + ... + 234768.

It is an arithmetic number, because the mean of its divisors is an integer number (3520725).

Almost surely, 2^25349166 is an apocalyptic number.

25349166 is an abundant number, since it is smaller than the sum of its proper divisors (30982434).

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

25349166 is a wasteful number, since it uses less digits than its factorization.

25349166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469440 (or 469434 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 25349166 is about 5034.7955271292. The cubic root of 25349166 is about 293.7567750965.

The spelling of 25349166 in words is "twenty-five million, three hundred forty-nine thousand, one hundred sixty-six".