71534614225 has 6 divisors (see below), whose sum is σ = 88702921670. Its totient is φ = 57227691360.

The previous prime is 71534614223. The next prime is 71534614241. The reversal of 71534614225 is 52241643517.

It can be written as a sum of positive squares in 3 ways, for example, as 8737762576 + 62796851649 = 93476^2 + 250593^2 .

It is not a de Polignac number, because 71534614225 - 2¹ = 71534614223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71534614223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1430692260 + ... + 1430692309.

Almost surely, 2^71534614225 is an apocalyptic number.

It is an amenable number.

71534614225 is a deficient number, since it is larger than the sum of its proper divisors (17168307445).

71534614225 is a wasteful number, since it uses less digits than its factorization.

71534614225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861384579 (or 2861384574 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The spelling of 71534614225 in words is "seventy-one billion, five hundred thirty-four million, six hundred fourteen thousand, two hundred twenty-five".