65114551 has 4 divisors (see below), whose sum is σ = 65627392. Its totient is φ = 64601712.

The previous prime is 65114549. The next prime is 65114557. The reversal of 65114551 is 15541156.

It is a happy number.

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 65114551 - 2¹ = 65114549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65114557) 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, 256230 + ... + 256483.

It is an arithmetic number, because the mean of its divisors is an integer number (16406848).

Almost surely, 2^65114551 is an apocalyptic number.

65114551 is a deficient number, since it is larger than the sum of its proper divisors (512841).

65114551 is a wasteful number, since it uses less digits than its factorization.

65114551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512840.

The product of its digits is 3000, while the sum is 28.

The square root of 65114551 is about 8069.3587725420. The cubic root of 65114551 is about 402.3086311709.

The spelling of 65114551 in words is "sixty-five million, one hundred fourteen thousand, five hundred fifty-one".