25261142 has 8 divisors (see below), whose sum is σ = 38043432. Its totient is φ = 12580000.

The previous prime is 25261141. The next prime is 25261157. The reversal of 25261142 is 24116252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25261141) 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 3 ways as a sum of consecutive naturals, for example, 24659 + ... + 25662.

It is an arithmetic number, because the mean of its divisors is an integer number (4755429).

Almost surely, 2^25261142 is an apocalyptic number.

25261142 is a deficient number, since it is larger than the sum of its proper divisors (12782290).

25261142 is a wasteful number, since it uses less digits than its factorization.

25261142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50574.

The product of its digits is 960, while the sum is 23.

The square root of 25261142 is about 5026.0463587197. The cubic root of 25261142 is about 293.4163610813.

Adding to 25261142 its reverse (24116252), we get a palindrome (49377394).

The spelling of 25261142 in words is "twenty-five million, two hundred sixty-one thousand, one hundred forty-two".