65248997 has 8 divisors (see below), whose sum is σ = 71359680. Its totient is φ = 59168160.

The previous prime is 65248993. The next prime is 65249011. The reversal of 65248997 is 79984256.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65248997 - 2² = 65248993 is a prime.

It is a super-3 number, since 3×65248997³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65248993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 11750.

It is an arithmetic number, because the mean of its divisors is an integer number (8919960).

Almost surely, 2^65248997 is an apocalyptic number.

It is an amenable number.

65248997 is a deficient number, since it is larger than the sum of its proper divisors (6110683).

65248997 is a wasteful number, since it uses less digits than its factorization.

65248997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14923.

The product of its digits is 1088640, while the sum is 50.

The square root of 65248997 is about 8077.6851263218. The cubic root of 65248997 is about 402.5853312389.

The spelling of 65248997 in words is "sixty-five million, two hundred forty-eight thousand, nine hundred ninety-seven".