65470545 has 64 divisors (see below), whose sum is σ = 137664000. Its totient is φ = 28885248.

The previous prime is 65470511. The next prime is 65470547. The reversal of 65470545 is 54507456.

It is a happy number.

It is not a de Polignac number, because 65470545 - 2¹⁷ = 65339473 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (65470547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26211 + ... + 28599.

It is an arithmetic number, because the mean of its divisors is an integer number (2151000).

Almost surely, 2^65470545 is an apocalyptic number.

It is an amenable number.

65470545 is an abundant number, since it is smaller than the sum of its proper divisors (72193455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65470545 is a wasteful number, since it uses less digits than its factorization.

65470545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 65470545 is about 8091.3870875147. The cubic root of 65470545 is about 403.0404657792.

The spelling of 65470545 in words is "sixty-five million, four hundred seventy thousand, five hundred forty-five".