544346261 has 6 divisors (see below), whose sum is σ = 551330262. Its totient is φ = 537449640.

The previous prime is 544346233. The next prime is 544346317. The reversal of 544346261 is 162643445.

It can be written as a sum of positive squares in only one way, i.e., 543123025 + 1223236 = 23305^2 + 1106^2 .

It is not a de Polignac number, because 544346261 - 2⁶ = 544346197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544348261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37370 + ... + 49851.

It is an arithmetic number, because the mean of its divisors is an integer number (91888377).

Almost surely, 2^544346261 is an apocalyptic number.

It is an amenable number.

544346261 is a deficient number, since it is larger than the sum of its proper divisors (6984001).

544346261 is an frugal number, since it uses more digits than its factorization.

544346261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87379 (or 87300 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 544346261 is about 23331.2293075183. The cubic root of 544346261 is about 816.5041843810.

The spelling of 544346261 in words is "five hundred forty-four million, three hundred forty-six thousand, two hundred sixty-one".