25946142 has 32 divisors (see below), whose sum is σ = 53037600. Its totient is φ = 8460288.

The previous prime is 25946119. The next prime is 25946143. The reversal of 25946142 is 24164952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25946143) 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 15 ways as a sum of consecutive naturals, for example, 63234 + ... + 63642.

It is an arithmetic number, because the mean of its divisors is an integer number (1657425).

Almost surely, 2^25946142 is an apocalyptic number.

25946142 is an abundant number, since it is smaller than the sum of its proper divisors (27091458).

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

25946142 is a wasteful number, since it uses less digits than its factorization.

25946142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 17280, while the sum is 33.

The square root of 25946142 is about 5093.7355643967. The cubic root of 25946142 is about 296.0449088788.

The spelling of 25946142 in words is "twenty-five million, nine hundred forty-six thousand, one hundred forty-two".