25170002 has 16 divisors (see below), whose sum is σ = 44356032. Its totient is φ = 10560720.

The previous prime is 25169993. The next prime is 25170037. The reversal of 25170002 is 20007152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43718 + ... + 44289.

It is an arithmetic number, because the mean of its divisors is an integer number (2772252).

Almost surely, 2^25170002 is an apocalyptic number.

25170002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25170002 is a deficient number, since it is larger than the sum of its proper divisors (19186030).

25170002 is a wasteful number, since it uses less digits than its factorization.

25170002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88033.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 25170002 is about 5016.9713971678. The cubic root of 25170002 is about 293.0630622919.

Adding to 25170002 its reverse (20007152), we get a palindrome (45177154).

The spelling of 25170002 in words is "twenty-five million, one hundred seventy thousand, two".