25142006 has 4 divisors (see below), whose sum is σ = 37713012. Its totient is φ = 12571002.

The previous prime is 25141999. The next prime is 25142009. The reversal of 25142006 is 60024152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25142009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285500 + ... + 6285503.

It is an arithmetic number, because the mean of its divisors is an integer number (9428253).

Almost surely, 2^25142006 is an apocalyptic number.

25142006 is a deficient number, since it is larger than the sum of its proper divisors (12571006).

25142006 is a wasteful number, since it uses less digits than its factorization.

25142006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12571005.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25142006 is about 5014.1804913665. The cubic root of 25142006 is about 292.9543662696.

Adding to 25142006 its reverse (60024152), we get a palindrome (85166158).

The spelling of 25142006 in words is "twenty-five million, one hundred forty-two thousand, six".