25002142 has 8 divisors (see below), whose sum is σ = 40912632. Its totient is φ = 11364600.

The previous prime is 25002139. The next prime is 25002143. The reversal of 25002142 is 24120052.

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 (25002143) 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 3 ways as a sum of consecutive naturals, for example, 568209 + ... + 568252.

It is an arithmetic number, because the mean of its divisors is an integer number (5114079).

Almost surely, 2^25002142 is an apocalyptic number.

25002142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25002142 is a deficient number, since it is larger than the sum of its proper divisors (15910490).

25002142 is a wasteful number, since it uses less digits than its factorization.

25002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136474.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 25002142 is about 5000.2141954120. The cubic root of 25002142 is about 292.4101245775.

Adding to 25002142 its reverse (24120052), we get a palindrome (49122194).

The spelling of 25002142 in words is "twenty-five million, two thousand, one hundred forty-two".