2651161 has 8 divisors (see below), whose sum is σ = 2760320. Its totient is φ = 2544048.

The previous prime is 2651137. The next prime is 2651189. The reversal of 2651161 is 1611562.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2651161 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2651111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (345040).

2^2651161 is an apocalyptic number.

It is an amenable number.

2651161 is a deficient number, since it is larger than the sum of its proper divisors (109159).

2651161 is an equidigital number, since it uses as much as digits as its factorization.

2651161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its digits is 360, while the sum is 22.

The square root of 2651161 is about 1628.2386188762. The cubic root of 2651161 is about 138.4029565174.

The spelling of 2651161 in words is "two million, six hundred fifty-one thousand, one hundred sixty-one".