2502166 has 4 divisors (see below), whose sum is σ = 3753252. Its totient is φ = 1251082.

The previous prime is 2502163. The next prime is 2502169. The reversal of 2502166 is 6612052.

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

It is an interprime number because it is at equal distance from previous prime (2502163) and next prime (2502169).

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625540 + ... + 625543.

It is an arithmetic number, because the mean of its divisors is an integer number (938313).

2^2502166 is an apocalyptic number.

2502166 is a deficient number, since it is larger than the sum of its proper divisors (1251086).

2502166 is a wasteful number, since it uses less digits than its factorization.

2502166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251085.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2502166 is about 1581.8236311296. The cubic root of 2502166 is about 135.7600657057.

The spelling of 2502166 in words is "two million, five hundred two thousand, one hundred sixty-six".