64831801 has 2 divisors, whose sum is σ = 64831802. Its totient is φ = 64831800.

The previous prime is 64831777. The next prime is 64831841. The reversal of 64831801 is 10813846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62726400 + 2105401 = 7920^2 + 1451^2 .

It is a cyclic number.

It is not a de Polignac number, because 64831801 - 2¹¹ = 64829753 is a prime.

It is not a weakly prime, because it can be changed into another prime (64831841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32415900 + 32415901.

It is an arithmetic number, because the mean of its divisors is an integer number (32415901).

Almost surely, 2^64831801 is an apocalyptic number.

It is an amenable number.

64831801 is a deficient number, since it is larger than the sum of its proper divisors (1).

64831801 is an equidigital number, since it uses as much as digits as its factorization.

64831801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 64831801 is about 8051.8197322096. The cubic root of 64831801 is about 401.7254649743.

The spelling of 64831801 in words is "sixty-four million, eight hundred thirty-one thousand, eight hundred one".