65317388 has 6 divisors (see below), whose sum is σ = 114305436. Its totient is φ = 32658692.

The previous prime is 65317381. The next prime is 65317393. The reversal of 65317388 is 88371356.

It is a super-2 number, since 2×65317388² = 8532722350285088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65317381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8164670 + ... + 8164677.

It is an arithmetic number, because the mean of its divisors is an integer number (19050906).

Almost surely, 2^65317388 is an apocalyptic number.

It is an amenable number.

65317388 is a deficient number, since it is larger than the sum of its proper divisors (48988048).

65317388 is a wasteful number, since it uses less digits than its factorization.

65317388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16329351 (or 16329349 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 65317388 is about 8081.9173467686. The cubic root of 65317388 is about 402.7259392716.

The spelling of 65317388 in words is "sixty-five million, three hundred seventeen thousand, three hundred eighty-eight".