544254661 has 4 divisors (see below), whose sum is σ = 544809312. Its totient is φ = 543700012.

The previous prime is 544254653. The next prime is 544254671. The reversal of 544254661 is 166452445.

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.

It is a cyclic number.

It is not a de Polignac number, because 544254661 - 2³ = 544254653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544254661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544254611) 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, 275851 + ... + 277816.

It is an arithmetic number, because the mean of its divisors is an integer number (136202328).

Almost surely, 2^544254661 is an apocalyptic number.

It is an amenable number.

544254661 is a deficient number, since it is larger than the sum of its proper divisors (554651).

544254661 is an equidigital number, since it uses as much as digits as its factorization.

544254661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554650.

The product of its digits is 115200, while the sum is 37.

The square root of 544254661 is about 23329.2661907742. The cubic root of 544254661 is about 816.4583826648.

The spelling of 544254661 in words is "five hundred forty-four million, two hundred fifty-four thousand, six hundred sixty-one".