65497113 has 16 divisors (see below), whose sum is σ = 105854400. Its totient is φ = 39695040.

The previous prime is 65497111. The next prime is 65497129. The reversal of 65497113 is 31179456.

It is not a de Polignac number, because 65497113 - 2¹ = 65497111 is a prime.

It is a super-2 number, since 2×65497113² = 8579743622669538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65497111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109968 + ... + 110561.

It is an arithmetic number, because the mean of its divisors is an integer number (6615900).

Almost surely, 2^65497113 is an apocalyptic number.

It is an amenable number.

65497113 is a deficient number, since it is larger than the sum of its proper divisors (40357287).

65497113 is a wasteful number, since it uses less digits than its factorization.

65497113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220549 (or 220543 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 65497113 is about 8093.0286666983. The cubic root of 65497113 is about 403.0949764552.

The spelling of 65497113 in words is "sixty-five million, four hundred ninety-seven thousand, one hundred thirteen".