2261654 has 4 divisors (see below), whose sum is σ = 3392484. Its totient is φ = 1130826.

The previous prime is 2261653. The next prime is 2261689. The reversal of 2261654 is 4561622.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565412 + ... + 565415.

It is an arithmetic number, because the mean of its divisors is an integer number (848121).

2^2261654 is an apocalyptic number.

2261654 is a deficient number, since it is larger than the sum of its proper divisors (1130830).

2261654 is a wasteful number, since it uses less digits than its factorization.

2261654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130829.

The product of its digits is 2880, while the sum is 26.

The square root of 2261654 is about 1503.8796494401. The cubic root of 2261654 is about 131.2629181540.

Subtracting 2261654 from its reverse (4561622), we obtain a cube (2299968 = 132³).

The spelling of 2261654 in words is "two million, two hundred sixty-one thousand, six hundred fifty-four".