25466142 has 32 divisors (see below), whose sum is σ = 55214208. Its totient is φ = 7783776.

The previous prime is 25466131. The next prime is 25466149. The reversal of 25466142 is 24166452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25466149) 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 15 ways as a sum of consecutive naturals, for example, 11713 + ... + 13715.

It is an arithmetic number, because the mean of its divisors is an integer number (1725444).

Almost surely, 2^25466142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25466142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27607104).

25466142 is an abundant number, since it is smaller than the sum of its proper divisors (29748066).

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

25466142 is a wasteful number, since it uses less digits than its factorization.

25466142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its digits is 11520, while the sum is 30.

The square root of 25466142 is about 5046.3989140772. The cubic root of 25466142 is about 294.2079374917.

The spelling of 25466142 in words is "twenty-five million, four hundred sixty-six thousand, one hundred forty-two".