2261481 has 8 divisors (see below), whose sum is σ = 3112704. Its totient is φ = 1458960.

The previous prime is 2261473. The next prime is 2261503. The reversal of 2261481 is 1841622.

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

It is not a de Polignac number, because 2261481 - 2³ = 2261473 is a prime.

It is a super-2 number, since 2×2261481² = 10228592626722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2261461) 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, 12066 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (389088).

2^2261481 is an apocalyptic number.

It is an amenable number.

2261481 is a deficient number, since it is larger than the sum of its proper divisors (851223).

2261481 is a wasteful number, since it uses less digits than its factorization.

2261481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24351.

The product of its digits is 768, while the sum is 24.

The square root of 2261481 is about 1503.8221304396. The cubic root of 2261481 is about 131.2595711841.

The spelling of 2261481 in words is "two million, two hundred sixty-one thousand, four hundred eighty-one".