64423541 has 8 divisors (see below), whose sum is σ = 79290624. Its totient is φ = 50972400.

The previous prime is 64423507. The next prime is 64423553. The reversal of 64423541 is 14532446.

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 64423541 - 2⁶ = 64423477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64423501) 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, 353885 + ... + 354066.

It is an arithmetic number, because the mean of its divisors is an integer number (9911328).

Almost surely, 2^64423541 is an apocalyptic number.

It is an amenable number.

64423541 is a deficient number, since it is larger than the sum of its proper divisors (14867083).

64423541 is a wasteful number, since it uses less digits than its factorization.

64423541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707971.

The product of its digits is 11520, while the sum is 29.

The square root of 64423541 is about 8026.4276611703. The cubic root of 64423541 is about 400.8804377350.

Adding to 64423541 its reverse (14532446), we get a palindrome (78955987).

The spelling of 64423541 in words is "sixty-four million, four hundred twenty-three thousand, five hundred forty-one".