65065451 has 12 divisors (see below), whose sum is σ = 71820000. Its totient is φ = 58901040.

The previous prime is 65065417. The next prime is 65065453. The reversal of 65065451 is 15456056.

It is not a de Polignac number, because 65065451 - 2⁶ = 65065387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65065453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31550 + ... + 33548.

It is an arithmetic number, because the mean of its divisors is an integer number (5985000).

Almost surely, 2^65065451 is an apocalyptic number.

65065451 is a deficient number, since it is larger than the sum of its proper divisors (6754549).

65065451 is a wasteful number, since it uses less digits than its factorization.

65065451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290 (or 2279 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 65065451 is about 8066.3158257038. The cubic root of 65065451 is about 402.2074847011.

It can be divided in two parts, 6 and 5065451, that multiplied together give a triangular number (30392706 = T₇₇₉₆).

The spelling of 65065451 in words is "sixty-five million, sixty-five thousand, four hundred fifty-one".