65013119 has 4 divisors (see below), whose sum is σ = 66525096. Its totient is φ = 63501144.

The previous prime is 65013097. The next prime is 65013121. The reversal of 65013119 is 91131056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65013119 - 2²⁰ = 63964543 is a prime.

It is a super-2 number, since 2×65013119² = 8453411284216322, which contains 22 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 (65013149) 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, 755924 + ... + 756009.

It is an arithmetic number, because the mean of its divisors is an integer number (16631274).

Almost surely, 2^65013119 is an apocalyptic number.

65013119 is a deficient number, since it is larger than the sum of its proper divisors (1511977).

65013119 is a wasteful number, since it uses less digits than its factorization.

65013119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511976.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 65013119 is about 8063.0713130916. The cubic root of 65013119 is about 402.0996242450.

The spelling of 65013119 in words is "sixty-five million, thirteen thousand, one hundred nineteen".