25161002 has 8 divisors (see below), whose sum is σ = 37773216. Its totient is φ = 12569932.

The previous prime is 25161001. The next prime is 25161013. The reversal of 25161002 is 20016152.

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

It is not an unprimeable number, because it can be changed into a prime (25161001) 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 in 3 ways as a sum of consecutive naturals, for example, 1868 + ... + 7335.

It is an arithmetic number, because the mean of its divisors is an integer number (4721652).

Almost surely, 2^25161002 is an apocalyptic number.

25161002 is a deficient number, since it is larger than the sum of its proper divisors (12612214).

25161002 is a wasteful number, since it uses less digits than its factorization.

25161002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 25161002 is about 5016.0743614903. The cubic root of 25161002 is about 293.0281280874.

Adding to 25161002 its reverse (20016152), we get a palindrome (45177154).

The spelling of 25161002 in words is "twenty-five million, one hundred sixty-one thousand, two".