2801261 has 8 divisors (see below), whose sum is σ = 2889600. Its totient is φ = 2714400.

The previous prime is 2801257. The next prime is 2801273. The reversal of 2801261 is 1621082.

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

It is a cyclic number.

It is not a de Polignac number, because 2801261 - 2² = 2801257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801221) 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, 4361 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (361200).

2^2801261 is an apocalyptic number.

2801261 is the 749-th centered decagonal number.

It is an amenable number.

2801261 is a deficient number, since it is larger than the sum of its proper divisors (88339).

2801261 is an equidigital number, since it uses as much as digits as its factorization.

2801261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2801261 is about 1673.6968064736. The cubic root of 2801261 is about 140.9671301413.

The spelling of 2801261 in words is "two million, eight hundred one thousand, two hundred sixty-one".