64241331 has 32 divisors (see below), whose sum is σ = 110247936. Its totient is φ = 32292000.

The previous prime is 64241329. The next prime is 64241341. The reversal of 64241331 is 13314246.

It is not a de Polignac number, because 64241331 - 2¹ = 64241329 is a prime.

It is a super-2 number, since 2×64241331² = 8253897217303122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64241341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2676 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (3445248).

Almost surely, 2^64241331 is an apocalyptic number.

64241331 is a deficient number, since it is larger than the sum of its proper divisors (46006605).

64241331 is a wasteful number, since it uses less digits than its factorization.

64241331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023.

The product of its digits is 1728, while the sum is 24.

The square root of 64241331 is about 8015.0689953362. The cubic root of 64241331 is about 400.5021422857.

Adding to 64241331 its reverse (13314246), we get a palindrome (77555577).

The spelling of 64241331 in words is "sixty-four million, two hundred forty-one thousand, three hundred thirty-one".