64115803 has 2 divisors, whose sum is σ = 64115804. Its totient is φ = 64115802.

The previous prime is 64115797. The next prime is 64115879. The reversal of 64115803 is 30851146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64115803 - 2⁵ = 64115771 is a prime.

It is a super-2 number, since 2×64115803² = 8221672388669618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64115893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32057901 + 32057902.

It is an arithmetic number, because the mean of its divisors is an integer number (32057902).

Almost surely, 2^64115803 is an apocalyptic number.

64115803 is a deficient number, since it is larger than the sum of its proper divisors (1).

64115803 is an equidigital number, since it uses as much as digits as its factorization.

64115803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 64115803 is about 8007.2344164512. The cubic root of 64115803 is about 400.2411108847.

Adding to 64115803 its reverse (30851146), we get a palindrome (94966949).

The spelling of 64115803 in words is "sixty-four million, one hundred fifteen thousand, eight hundred three".