65325997 has 8 divisors (see below), whose sum is σ = 73003392. Its totient is φ = 57938400.

The previous prime is 65325983. The next prime is 65326031. The reversal of 65325997 is 79952356.

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 a de Polignac number, because none of the positive numbers 2^k-65325997 is a prime.

It is a super-3 number, since 3×65325997³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65325697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71973 + ... + 72874.

It is an arithmetic number, because the mean of its divisors is an integer number (9125424).

Almost surely, 2^65325997 is an apocalyptic number.

It is an amenable number.

65325997 is a deficient number, since it is larger than the sum of its proper divisors (7677395).

65325997 is a wasteful number, since it uses less digits than its factorization.

65325997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144899.

The product of its digits is 510300, while the sum is 46.

The square root of 65325997 is about 8082.4499379829. The cubic root of 65325997 is about 402.7436319330.

It can be divided in two parts, 653259 and 97, that added together give a palindrome (653356).

The spelling of 65325997 in words is "sixty-five million, three hundred twenty-five thousand, nine hundred ninety-seven".