64801241 has 2 divisors, whose sum is σ = 64801242. Its totient is φ = 64801240.

The previous prime is 64801237. The next prime is 64801259. The reversal of 64801241 is 14210846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64464841 + 336400 = 8029^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 64801241 - 2² = 64801237 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64801241.

It is not a weakly prime, because it can be changed into another prime (64801201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32400620 + 32400621.

It is an arithmetic number, because the mean of its divisors is an integer number (32400621).

Almost surely, 2^64801241 is an apocalyptic number.

It is an amenable number.

64801241 is a deficient number, since it is larger than the sum of its proper divisors (1).

64801241 is an equidigital number, since it uses as much as digits as its factorization.

64801241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 64801241 is about 8049.9218008624. The cubic root of 64801241 is about 401.6623341264.

The spelling of 64801241 in words is "sixty-four million, eight hundred one thousand, two hundred forty-one".