2261011 has 4 divisors (see below), whose sum is σ = 2269872. Its totient is φ = 2252152.

The previous prime is 2261009. The next prime is 2261023. The reversal of 2261011 is 1101622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101622 = 2 ⋅550811.

It is a cyclic number.

It is not a de Polignac number, because 2261011 - 2¹ = 2261009 is a prime.

It is a super-2 number, since 2×2261011² = 10224341484242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2260982 and 2261000.

It is not an unprimeable number, because it can be changed into a prime (2261041) 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, 4036 + ... + 4561.

It is an arithmetic number, because the mean of its divisors is an integer number (567468).

2^2261011 is an apocalyptic number.

2261011 is a deficient number, since it is larger than the sum of its proper divisors (8861).

2261011 is an equidigital number, since it uses as much as digits as its factorization.

2261011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8860.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2261011 is about 1503.6658538385. The cubic root of 2261011 is about 131.2504773981.

Adding to 2261011 its reverse (1101622), we get a palindrome (3362633).

The spelling of 2261011 in words is "two million, two hundred sixty-one thousand, eleven".