65112949 has 8 divisors (see below), whose sum is σ = 71552448. Its totient is φ = 58760160.

The previous prime is 65112947. The next prime is 65112959. The reversal of 65112949 is 94921156.

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 65112949 - 2¹ = 65112947 is a prime.

It is a super-2 number, since 2×65112949² = 8479392254953202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65112947) 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, 20097 + ... + 23110.

It is an arithmetic number, because the mean of its divisors is an integer number (8944056).

Almost surely, 2^65112949 is an apocalyptic number.

It is an amenable number.

65112949 is a deficient number, since it is larger than the sum of its proper divisors (6439499).

65112949 is a wasteful number, since it uses less digits than its factorization.

65112949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43355.

The product of its digits is 19440, while the sum is 37.

The square root of 65112949 is about 8069.2595075385. The cubic root of 65112949 is about 402.3053318382.

The spelling of 65112949 in words is "sixty-five million, one hundred twelve thousand, nine hundred forty-nine".