2261553 has 8 divisors (see below), whose sum is σ = 3446208. Its totient is φ = 1292304.

The previous prime is 2261549. The next prime is 2261557. The reversal of 2261553 is 3551622.

It is an interprime number because it is at equal distance from previous prime (2261549) and next prime (2261557).

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

It is not a de Polignac number, because 2261553 - 2² = 2261549 is a prime.

It is a super-2 number, since 2×2261553² = 10229243943618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2261557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53826 + ... + 53867.

It is an arithmetic number, because the mean of its divisors is an integer number (430776).

2^2261553 is an apocalyptic number.

It is an amenable number.

2261553 is a deficient number, since it is larger than the sum of its proper divisors (1184655).

2261553 is a wasteful number, since it uses less digits than its factorization.

2261553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107703.

The product of its digits is 1800, while the sum is 24.

The square root of 2261553 is about 1503.8460692504. The cubic root of 2261553 is about 131.2609641634.

The spelling of 2261553 in words is "two million, two hundred sixty-one thousand, five hundred fifty-three".