2261973 has 8 divisors (see below), whose sum is σ = 3446848. Its totient is φ = 1292544.

The previous prime is 2261933. The next prime is 2261993. The reversal of 2261973 is 3791622.

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

It is not a de Polignac number, because 2261973 - 2⁸ = 2261717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2261973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261933) 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, 53836 + ... + 53877.

It is an arithmetic number, because the mean of its divisors is an integer number (430856).

2^2261973 is an apocalyptic number.

It is an amenable number.

2261973 is a deficient number, since it is larger than the sum of its proper divisors (1184875).

2261973 is a wasteful number, since it uses less digits than its factorization.

2261973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107723.

The product of its digits is 4536, while the sum is 30.

The square root of 2261973 is about 1503.9857047193. The cubic root of 2261973 is about 131.2690892870.

The spelling of 2261973 in words is "two million, two hundred sixty-one thousand, nine hundred seventy-three".