65250333097 has 4 divisors (see below), whose sum is σ = 65250854800. Its totient is φ = 65249811396.

The previous prime is 65250333089. The next prime is 65250333103. The reversal of 65250333097 is 79033305256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65250333097 - 2³ = 65250333089 is a prime.

It is a super-2 number, since 2×65250333097² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65250330097) 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 3 ways as a sum of consecutive naturals, for example, 51154 + ... + 364852.

It is an arithmetic number, because the mean of its divisors is an integer number (16312713700).

Almost surely, 2^65250333097 is an apocalyptic number.

It is an amenable number.

65250333097 is a deficient number, since it is larger than the sum of its proper divisors (521703).

65250333097 is a wasteful number, since it uses less digits than its factorization.

65250333097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521702.

The product of its (nonzero) digits is 510300, while the sum is 43.

The spelling of 65250333097 in words is "sixty-five billion, two hundred fifty million, three hundred thirty-three thousand, ninety-seven".