71650499 has 2 divisors, whose sum is σ = 71650500. Its totient is φ = 71650498.

The previous prime is 71650489. The next prime is 71650549. The reversal of 71650499 is 99405617.

It is a weak prime.

It is an emirp because it is prime and its reverse (99405617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71650499 - 2⁴ = 71650483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (71650489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35825249 + 35825250.

It is an arithmetic number, because the mean of its divisors is an integer number (35825250).

Almost surely, 2^71650499 is an apocalyptic number.

71650499 is a deficient number, since it is larger than the sum of its proper divisors (1).

71650499 is an equidigital number, since it uses as much as digits as its factorization.

71650499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 71650499 is about 8464.6617770588. The cubic root of 71650499 is about 415.3425323191.

It can be divided in two parts, 716 and 50499, that added together give a palindrome (51215).

The spelling of 71650499 in words is "seventy-one million, six hundred fifty thousand, four hundred ninety-nine".