2691201 has 4 divisors (see below), whose sum is σ = 3588272. Its totient is φ = 1794132.

The previous prime is 2691197. The next prime is 2691209. The reversal of 2691201 is 1021962.

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 not a de Polignac number, because 2691201 - 2² = 2691197 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2691209) 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, 448531 + ... + 448536.

It is an arithmetic number, because the mean of its divisors is an integer number (897068).

2^2691201 is an apocalyptic number.

It is an amenable number.

2691201 is a deficient number, since it is larger than the sum of its proper divisors (897071).

2691201 is an equidigital number, since it uses as much as digits as its factorization.

2691201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897070.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2691201 is about 1640.4880371402. The cubic root of 2691201 is about 139.0962361697.

The spelling of 2691201 in words is "two million, six hundred ninety-one thousand, two hundred one".