2281541 has 4 divisors (see below), whose sum is σ = 2284800. Its totient is φ = 2278284.

The previous prime is 2281529. The next prime is 2281567. The reversal of 2281541 is 1451822.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2281541 - 2¹⁰ = 2280517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281571) 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, 101 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (571200).

2^2281541 is an apocalyptic number.

It is an amenable number.

2281541 is a deficient number, since it is larger than the sum of its proper divisors (3259).

2281541 is a wasteful number, since it uses less digits than its factorization.

2281541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258.

The product of its digits is 640, while the sum is 23.

The square root of 2281541 is about 1510.4770769528. The cubic root of 2281541 is about 131.6465329110.

The spelling of 2281541 in words is "two million, two hundred eighty-one thousand, five hundred forty-one".