25355142 has 12 divisors (see below), whose sum is σ = 54936180. Its totient is φ = 8451708.

The previous prime is 25355123. The next prime is 25355149. The reversal of 25355142 is 24155352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25355149) 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 5 ways as a sum of consecutive naturals, for example, 704292 + ... + 704327.

It is an arithmetic number, because the mean of its divisors is an integer number (4578015).

Almost surely, 2^25355142 is an apocalyptic number.

25355142 is an abundant number, since it is smaller than the sum of its proper divisors (29581038).

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

25355142 is a wasteful number, since it uses less digits than its factorization.

25355142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408627 (or 1408624 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 25355142 is about 5035.3889621359. The cubic root of 25355142 is about 293.7798574148.

The spelling of 25355142 in words is "twenty-five million, three hundred fifty-five thousand, one hundred forty-two".