71250499 has 2 divisors, whose sum is σ = 71250500. Its totient is φ = 71250498.

The previous prime is 71250479. The next prime is 71250521. The reversal of 71250499 is 99405217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71250499 - 2⁵ = 71250467 is a prime.

It is a super-3 number, since 3×71250499³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (71250479) 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, 35625249 + 35625250.

It is an arithmetic number, because the mean of its divisors is an integer number (35625250).

Almost surely, 2^71250499 is an apocalyptic number.

71250499 is a deficient number, since it is larger than the sum of its proper divisors (1).

71250499 is an equidigital number, since it uses as much as digits as its factorization.

71250499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 71250499 is about 8441.0010662243. The cubic root of 71250499 is about 414.5681848986.

The spelling of 71250499 in words is "seventy-one million, two hundred fifty thousand, four hundred ninety-nine".