2502161 has 4 divisors (see below), whose sum is σ = 2517312. Its totient is φ = 2487012.

The previous prime is 2502151. The next prime is 2502163. The reversal of 2502161 is 1612052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2502161 - 2¹⁰ = 2501137 is a prime.

It is a Duffinian number.

It is a Curzon 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 in 3 ways as a sum of consecutive naturals, for example, 7325 + ... + 7658.

It is an arithmetic number, because the mean of its divisors is an integer number (629328).

2^2502161 is an apocalyptic number.

It is an amenable number.

2502161 is a deficient number, since it is larger than the sum of its proper divisors (15151).

2502161 is a wasteful number, since it uses less digits than its factorization.

2502161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150.

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

The square root of 2502161 is about 1581.8220506745. The cubic root of 2502161 is about 135.7599752773.

The spelling of 2502161 in words is "two million, five hundred two thousand, one hundred sixty-one".