2261073 has 4 divisors (see below), whose sum is σ = 3014768. Its totient is φ = 1507380.

The previous prime is 2261071. The next prime is 2261093. The reversal of 2261073 is 3701622.

It is a happy number.

2261073 is nontrivially palindromic in base 2.

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 2261073 - 2¹ = 2261071 is a prime.

It is a super-2 number, since 2×2261073² = 10224902222658, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261071) 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, 376843 + ... + 376848.

It is an arithmetic number, because the mean of its divisors is an integer number (753692).

2^2261073 is an apocalyptic number.

It is an amenable number.

2261073 is a deficient number, since it is larger than the sum of its proper divisors (753695).

2261073 is an equidigital number, since it uses as much as digits as its factorization.

2261073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753694.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2261073 is about 1503.6864699797. The cubic root of 2261073 is about 131.2516770761.

Adding to 2261073 its reverse (3701622), we get a palindrome (5962695).

The spelling of 2261073 in words is "two million, two hundred sixty-one thousand, seventy-three".