64245533 has 8 divisors (see below), whose sum is σ = 74208960. Its totient is φ = 54969280.

The previous prime is 64245523. The next prime is 64245551. The reversal of 64245533 is 33554246.

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 64245533 - 2¹⁴ = 64229149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64245533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64245523) 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, 171593 + ... + 171966.

It is an arithmetic number, because the mean of its divisors is an integer number (9276120).

Almost surely, 2^64245533 is an apocalyptic number.

It is an amenable number.

64245533 is a deficient number, since it is larger than the sum of its proper divisors (9963427).

64245533 is a wasteful number, since it uses less digits than its factorization.

64245533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343587.

The product of its digits is 43200, while the sum is 32.

The square root of 64245533 is about 8015.3311222931. The cubic root of 64245533 is about 400.5108743241.

Adding to 64245533 its reverse (33554246), we get a palindrome (97799779).

The spelling of 64245533 in words is "sixty-four million, two hundred forty-five thousand, five hundred thirty-three".