71023225250 has 32 divisors (see below), whose sum is σ = 134271916272. Its totient is φ = 28128000000.

The previous prime is 71023225249. The next prime is 71023225271. The reversal of 71023225250 is 5252232017.

It can be written as a sum of positive squares in 8 ways, for example, as 26337070369 + 44686154881 = 162287^2 + 211391^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381151 + ... + 1431650.

Almost surely, 2^71023225250 is an apocalyptic number.

71023225250 is a deficient number, since it is larger than the sum of its proper divisors (63248691022).

71023225250 is a wasteful number, since it uses less digits than its factorization.

71023225250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812919 (or 2812909 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 71023225250 its reverse (5252232017), we get a palindrome (76275457267).

The spelling of 71023225250 in words is "seventy-one billion, twenty-three million, two hundred twenty-five thousand, two hundred fifty".