61271444 has 12 divisors (see below), whose sum is σ = 115473204. Its totient is φ = 28279104.

The previous prime is 61271443. The next prime is 61271453. The reversal of 61271444 is 44417216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14348944 + 46922500 = 3788^2 + 6850^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61271443) 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, 589097 + ... + 589200.

It is an arithmetic number, because the mean of its divisors is an integer number (9622767).

Almost surely, 2^61271444 is an apocalyptic number.

It is an amenable number.

61271444 is a deficient number, since it is larger than the sum of its proper divisors (54201760).

61271444 is a wasteful number, since it uses less digits than its factorization.

61271444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178314 (or 1178312 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 61271444 is about 7827.6078082643. The cubic root of 61271444 is about 394.2327551869.

The spelling of 61271444 in words is "sixty-one million, two hundred seventy-one thousand, four hundred forty-four".