65813051 has 8 divisors (see below), whose sum is σ = 69218304. Its totient is φ = 62453160.

The previous prime is 65813039. The next prime is 65813057. The reversal of 65813051 is 15031856.

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 65813051 - 2¹⁰ = 65812027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65813057) 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, 8345 + ... + 14186.

It is an arithmetic number, because the mean of its divisors is an integer number (8652288).

Almost surely, 2^65813051 is an apocalyptic number.

65813051 is a deficient number, since it is larger than the sum of its proper divisors (3405253).

65813051 is a wasteful number, since it uses less digits than its factorization.

65813051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22681.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 65813051 is about 8112.5243297016. The cubic root of 65813051 is about 403.7420726461.

The spelling of 65813051 in words is "sixty-five million, eight hundred thirteen thousand, fifty-one".