71425433 has 2 divisors, whose sum is σ = 71425434. Its totient is φ = 71425432.

The previous prime is 71425331. The next prime is 71425447. The reversal of 71425433 is 33452417.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61889689 + 9535744 = 7867^2 + 3088^2 .

It is a cyclic number.

It is not a de Polignac number, because 71425433 - 2¹⁸ = 71163289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71425396 and 71425405.

It is not a weakly prime, because it can be changed into another prime (71425493) by changing a digit.

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 as a sum of consecutive naturals, namely, 35712716 + 35712717.

It is an arithmetic number, because the mean of its divisors is an integer number (35712717).

Almost surely, 2^71425433 is an apocalyptic number.

It is an amenable number.

71425433 is a deficient number, since it is larger than the sum of its proper divisors (1).

71425433 is an equidigital number, since it uses as much as digits as its factorization.

71425433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 71425433 is about 8451.3568733074. The cubic root of 71425433 is about 414.9071897744.

The spelling of 71425433 in words is "seventy-one million, four hundred twenty-five thousand, four hundred thirty-three".