1015385801 has 2 divisors, whose sum is σ = 1015385802. Its totient is φ = 1015385800.

The previous prime is 1015385753. The next prime is 1015385803. The reversal of 1015385801 is 1085835101.

It is a happy number.

1015385801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009015225 + 6370576 = 31765^2 + 2524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015385801 is a prime.

Together with 1015385803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1015385803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507692900 + 507692901.

It is an arithmetic number, because the mean of its divisors is an integer number (507692901).

Almost surely, 2^1015385801 is an apocalyptic number.

It is an amenable number.

1015385801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015385801 is an equidigital number, since it uses as much as digits as its factorization.

1015385801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 1015385801 is about 31865.1188762885. The cubic root of 1015385801 is about 1005.1025203370.

The spelling of 1015385801 in words is "one billion, fifteen million, three hundred eighty-five thousand, eight hundred one".