65118057 has 4 divisors (see below), whose sum is σ = 86824080. Its totient is φ = 43412036.

The previous prime is 65118029. The next prime is 65118071. The reversal of 65118057 is 75081156.

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.

It is a cyclic number.

It is not a de Polignac number, because 65118057 - 2⁷ = 65117929 is a prime.

It is a super-2 number, since 2×65118057² = 8480722694910498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65118257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10853007 + ... + 10853012.

It is an arithmetic number, because the mean of its divisors is an integer number (21706020).

Almost surely, 2^65118057 is an apocalyptic number.

It is an amenable number.

65118057 is a deficient number, since it is larger than the sum of its proper divisors (21706023).

65118057 is a wasteful number, since it uses less digits than its factorization.

65118057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21706022.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 65118057 is about 8069.5760111669. The cubic root of 65118057 is about 402.3158516192.

The spelling of 65118057 in words is "sixty-five million, one hundred eighteen thousand, fifty-seven".