153368681 has 2 divisors, whose sum is σ = 153368682. Its totient is φ = 153368680.

The previous prime is 153368651. The next prime is 153368711. The reversal of 153368681 is 186863351.

It is a balanced prime because it is at equal distance from previous prime (153368651) and next prime (153368711).

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 45104656 = 10405^2 + 6716^2 .

It is an emirp because it is prime and its reverse (186863351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153368681 - 2¹⁸ = 153106537 is a prime.

It is a super-2 number, since 2×153368681² = 47043904623359522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (153368641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76684340 + 76684341.

It is an arithmetic number, because the mean of its divisors is an integer number (76684341).

Almost surely, 2^153368681 is an apocalyptic number.

It is an amenable number.

153368681 is a deficient number, since it is larger than the sum of its proper divisors (1).

153368681 is an equidigital number, since it uses as much as digits as its factorization.

153368681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 153368681 is about 12384.2109558906. The cubic root of 153368681 is about 535.2773837449.

The spelling of 153368681 in words is "one hundred fifty-three million, three hundred sixty-eight thousand, six hundred eighty-one".