64433241 has 24 divisors (see below), whose sum is σ = 94784040. Its totient is φ = 42172416.

The previous prime is 64433233. The next prime is 64433249. The reversal of 64433241 is 14233446.

It is an interprime number because it is at equal distance from previous prime (64433233) and next prime (64433249).

It can be written as a sum of positive squares in 4 ways, for example, as 2653641 + 61779600 = 1629^2 + 7860^2 .

It is not a de Polignac number, because 64433241 - 2³ = 64433233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64433249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205701 + ... + 206013.

It is an arithmetic number, because the mean of its divisors is an integer number (3949335).

Almost surely, 2^64433241 is an apocalyptic number.

It is an amenable number.

64433241 is a deficient number, since it is larger than the sum of its proper divisors (30350799).

64433241 is a wasteful number, since it uses less digits than its factorization.

64433241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 662 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 64433241 is about 8027.0318922999. The cubic root of 64433241 is about 400.9005563906.

Adding to 64433241 its reverse (14233446), we get a palindrome (78666687).

The spelling of 64433241 in words is "sixty-four million, four hundred thirty-three thousand, two hundred forty-one".