71254241 has 4 divisors (see below), whose sum is σ = 72462000. Its totient is φ = 70046484.

The previous prime is 71254231. The next prime is 71254243. The reversal of 71254241 is 14245217.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14245217 = 7 ⋅2035031.

It is a cyclic number.

It is not a de Polignac number, because 71254241 - 2⁶ = 71254177 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 71254241.

It is not an unprimeable number, because it can be changed into a prime (71254243) 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, 603791 + ... + 603908.

It is an arithmetic number, because the mean of its divisors is an integer number (18115500).

Almost surely, 2^71254241 is an apocalyptic number.

It is an amenable number.

71254241 is a deficient number, since it is larger than the sum of its proper divisors (1207759).

71254241 is a wasteful number, since it uses less digits than its factorization.

71254241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207758.

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

The square root of 71254241 is about 8441.2227194880. Note that the first 3 decimals coincide. The cubic root of 71254241 is about 414.5754423308.

Adding to 71254241 its reverse (14245217), we get a palindrome (85499458).

The spelling of 71254241 in words is "seventy-one million, two hundred fifty-four thousand, two hundred forty-one".