25201142 has 16 divisors (see below), whose sum is σ = 39387600. Its totient is φ = 12082560.

The previous prime is 25201097. The next prime is 25201177. The reversal of 25201142 is 24110252.

It is a self number, because there is not a number n which added to its sum of digits gives 25201142.

It is a congruent number.

It is an unprimeable number.

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, 2234 + ... + 7442.

It is an arithmetic number, because the mean of its divisors is an integer number (2461725).

Almost surely, 2^25201142 is an apocalyptic number.

25201142 is a deficient number, since it is larger than the sum of its proper divisors (14186458).

25201142 is a wasteful number, since it uses less digits than its factorization.

25201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 25201142 is about 5020.0739038385. The cubic root of 25201142 is about 293.1838704247.

Adding to 25201142 its reverse (24110252), we get a palindrome (49311394).

The spelling of 25201142 in words is "twenty-five million, two hundred one thousand, one hundred forty-two".