544540247 has 8 divisors (see below), whose sum is σ = 573417600. Its totient is φ = 515684664.

The previous prime is 544540193. The next prime is 544540291. The reversal of 544540247 is 742045445.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 544540247 - 2⁸ = 544539991 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 (544540547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82454 + ... + 88812.

It is an arithmetic number, because the mean of its divisors is an integer number (71677200).

Almost surely, 2^544540247 is an apocalyptic number.

544540247 is a deficient number, since it is larger than the sum of its proper divisors (28877353).

544540247 is a wasteful number, since it uses less digits than its factorization.

544540247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10885.

The product of its (nonzero) digits is 89600, while the sum is 35.

The square root of 544540247 is about 23335.3861549365. The cubic root of 544540247 is about 816.6011640554.

The spelling of 544540247 in words is "five hundred forty-four million, five hundred forty thousand, two hundred forty-seven".