2801269 has 4 divisors (see below), whose sum is σ = 2804620. Its totient is φ = 2797920.

The previous prime is 2801257. The next prime is 2801273. The reversal of 2801269 is 9621082.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1238769 + 1562500 = 1113^2 + 1250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2801269 - 2⁵ = 2801237 is a prime.

It is a super-2 number, since 2×2801269² = 15694216020722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

2801269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801219) 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, 739 + ... + 2479.

It is an arithmetic number, because the mean of its divisors is an integer number (701155).

2^2801269 is an apocalyptic number.

It is an amenable number.

2801269 is a deficient number, since it is larger than the sum of its proper divisors (3351).

2801269 is a wasteful number, since it uses less digits than its factorization.

2801269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2801269 is about 1673.6991963910. The cubic root of 2801269 is about 140.9672643351.

The spelling of 2801269 in words is "two million, eight hundred one thousand, two hundred sixty-nine".