2496161 has 4 divisors (see below), whose sum is σ = 2643012. Its totient is φ = 2349312.

The previous prime is 2496139. The next prime is 2496173. The reversal of 2496161 is 1616942.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2310400 + 185761 = 1520^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 2496161 - 2⁶ = 2496097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2496191) 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, 73400 + ... + 73433.

It is an arithmetic number, because the mean of its divisors is an integer number (660753).

2^2496161 is an apocalyptic number.

It is an amenable number.

2496161 is a deficient number, since it is larger than the sum of its proper divisors (146851).

2496161 is a wasteful number, since it uses less digits than its factorization.

2496161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146850.

The product of its digits is 2592, while the sum is 29.

The square root of 2496161 is about 1579.9243652783. The cubic root of 2496161 is about 135.6513742446.

It can be divided in two parts, 2496 and 161, that multiplied together give a triangular number (401856 = T₈₉₆).

The spelling of 2496161 in words is "two million, four hundred ninety-six thousand, one hundred sixty-one".