1533872117 has 2 divisors, whose sum is σ = 1533872118. Its totient is φ = 1533872116.

The previous prime is 1533872113. The next prime is 1533872167. The reversal of 1533872117 is 7112783351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1323940996 + 209931121 = 36386^2 + 14489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1533872117 - 2² = 1533872113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1533872113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766936058 + 766936059.

It is an arithmetic number, because the mean of its divisors is an integer number (766936059).

Almost surely, 2^1533872117 is an apocalyptic number.

It is an amenable number.

1533872117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1533872117 is an equidigital number, since it uses as much as digits as its factorization.

1533872117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 38.

The square root of 1533872117 is about 39164.6794573886. The cubic root of 1533872117 is about 1153.2666082235.

The spelling of 1533872117 in words is "one billion, five hundred thirty-three million, eight hundred seventy-two thousand, one hundred seventeen".