1481536117 has 2 divisors, whose sum is σ = 1481536118. Its totient is φ = 1481536116.

The previous prime is 1481536109. The next prime is 1481536141. The reversal of 1481536117 is 7116351841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1428915601 + 52620516 = 37801^2 + 7254^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481536117 - 2³ = 1481536109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481536187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740768058 + 740768059.

It is an arithmetic number, because the mean of its divisors is an integer number (740768059).

Almost surely, 2^1481536117 is an apocalyptic number.

It is an amenable number.

1481536117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481536117 is an equidigital number, since it uses as much as digits as its factorization.

1481536117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 1481536117 is about 38490.7276756364. The cubic root of 1481536117 is about 1139.9979780922.

Adding to 1481536117 its reverse (7116351841), we get a palindrome (8597887958).

The spelling of 1481536117 in words is "one billion, four hundred eighty-one million, five hundred thirty-six thousand, one hundred seventeen".