71054441 has 4 divisors (see below), whose sum is σ = 75234132. Its totient is φ = 66874752.

The previous prime is 71054413. The next prime is 71054479. The reversal of 71054441 is 14445017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14445017 = 311 ⋅46447.

It can be written as a sum of positive squares in 2 ways, for example, as 55875625 + 15178816 = 7475^2 + 3896^2 .

It is a cyclic number.

It is not a de Polignac number, because 71054441 - 2⁶ = 71054377 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 71054441.

It is not an unprimeable number, because it can be changed into a prime (71054491) 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, 2089820 + ... + 2089853.

It is an arithmetic number, because the mean of its divisors is an integer number (18808533).

Almost surely, 2^71054441 is an apocalyptic number.

It is an amenable number.

71054441 is a deficient number, since it is larger than the sum of its proper divisors (4179691).

71054441 is a wasteful number, since it uses less digits than its factorization.

71054441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179690.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 71054441 is about 8429.3796331640. The cubic root of 71054441 is about 414.1875837055.

Adding to 71054441 its reverse (14445017), we get a palindrome (85499458).

The spelling of 71054441 in words is "seventy-one million, fifty-four thousand, four hundred forty-one".