65475719 has 2 divisors, whose sum is σ = 65475720. Its totient is φ = 65475718.

The previous prime is 65475701. The next prime is 65475731. The reversal of 65475719 is 91757456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65475719 is a prime.

It is a super-2 number, since 2×65475719² = 8574139557133922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65475719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65475769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32737859 + 32737860.

It is an arithmetic number, because the mean of its divisors is an integer number (32737860).

Almost surely, 2^65475719 is an apocalyptic number.

65475719 is a deficient number, since it is larger than the sum of its proper divisors (1).

65475719 is an equidigital number, since it uses as much as digits as its factorization.

65475719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 44.

The square root of 65475719 is about 8091.7068038826. The cubic root of 65475719 is about 403.0510826474.

The spelling of 65475719 in words is "sixty-five million, four hundred seventy-five thousand, seven hundred nineteen".