152386681 has 2 divisors, whose sum is σ = 152386682. Its totient is φ = 152386680.

The previous prime is 152386649. The next prime is 152386699. The reversal of 152386681 is 186683251.

152386681 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., 123010281 + 29376400 = 11091^2 + 5420^2 .

It is an emirp because it is prime and its reverse (186683251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152386681 - 2⁵ = 152386649 is a prime.

It is a super-2 number, since 2×152386681² = 46443401092391522, which contains 22 as substring.

It is the 12345-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (152386981) by changing a digit.

It is a nontrivial repunit in base 12344.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76193340 + 76193341.

It is an arithmetic number, because the mean of its divisors is an integer number (76193341).

Almost surely, 2^152386681 is an apocalyptic number.

It is an amenable number.

152386681 is a deficient number, since it is larger than the sum of its proper divisors (1).

152386681 is an equidigital number, since it uses as much as digits as its factorization.

152386681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 152386681 is about 12344.5000303779. The cubic root of 152386681 is about 534.1324992552.

The spelling of 152386681 in words is "one hundred fifty-two million, three hundred eighty-six thousand, six hundred eighty-one".