71425325 has 6 divisors (see below), whose sum is σ = 88567434. Its totient is φ = 57140240.

The previous prime is 71425309. The next prime is 71425331. The reversal of 71425325 is 52352417.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19166884 + 52258441 = 4378^2 + 7229^2 .

It is not a de Polignac number, because 71425325 - 2⁴ = 71425309 is a prime.

It is a Duffinian number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 1428482 + ... + 1428531.

It is an arithmetic number, because the mean of its divisors is an integer number (14761239).

Almost surely, 2^71425325 is an apocalyptic number.

It is an amenable number.

71425325 is a deficient number, since it is larger than the sum of its proper divisors (17142109).

71425325 is a wasteful number, since it uses less digits than its factorization.

71425325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857023 (or 2857018 counting only the distinct ones).

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

The square root of 71425325 is about 8451.3504837984. The cubic root of 71425325 is about 414.9069806519.

The spelling of 71425325 in words is "seventy-one million, four hundred twenty-five thousand, three hundred twenty-five".