64233541 has 4 divisors (see below), whose sum is σ = 64264684. Its totient is φ = 64202400.

The previous prime is 64233539. The next prime is 64233553. The reversal of 64233541 is 14533246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45562500 + 18671041 = 6750^2 + 4321^2 .

It is a cyclic number.

It is not a de Polignac number, because 64233541 - 2¹ = 64233539 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 (64233571) 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, 12240 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (16066171).

Almost surely, 2^64233541 is an apocalyptic number.

It is an amenable number.

64233541 is a deficient number, since it is larger than the sum of its proper divisors (31143).

64233541 is a wasteful number, since it uses less digits than its factorization.

64233541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31142.

The product of its digits is 8640, while the sum is 28.

The square root of 64233541 is about 8014.5830209687. The cubic root of 64233541 is about 400.4859531348.

Adding to 64233541 its reverse (14533246), we get a palindrome (78766787).

The spelling of 64233541 in words is "sixty-four million, two hundred thirty-three thousand, five hundred forty-one".