64315441 has 2 divisors, whose sum is σ = 64315442. Its totient is φ = 64315440.

The previous prime is 64315423. The next prime is 64315451. The reversal of 64315441 is 14451346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 13905441 = 7100^2 + 3729^2 .

It is a cyclic number.

It is not a de Polignac number, because 64315441 - 2⁷ = 64315313 is a prime.

It is a super-3 number, since 3×64315441³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64315451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32157720 + 32157721.

It is an arithmetic number, because the mean of its divisors is an integer number (32157721).

Almost surely, 2^64315441 is an apocalyptic number.

It is an amenable number.

64315441 is a deficient number, since it is larger than the sum of its proper divisors (1).

64315441 is an equidigital number, since it uses as much as digits as its factorization.

64315441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

The square root of 64315441 is about 8019.6908294522. The cubic root of 64315441 is about 400.6560920198.

Adding to 64315441 its reverse (14451346), we get a palindrome (78766787).

The spelling of 64315441 in words is "sixty-four million, three hundred fifteen thousand, four hundred forty-one".