151063681 has 2 divisors, whose sum is σ = 151063682. Its totient is φ = 151063680.

The previous prime is 151063669. The next prime is 151063729. The reversal of 151063681 is 186360151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121903681 + 29160000 = 11041^2 + 5400^2 .

It is a cyclic number.

It is not a de Polignac number, because 151063681 - 2⁹ = 151063169 is a prime.

It is a super-2 number, since 2×151063681² = 45640471434539522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (151063631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75531840 + 75531841.

It is an arithmetic number, because the mean of its divisors is an integer number (75531841).

Almost surely, 2^151063681 is an apocalyptic number.

It is an amenable number.

151063681 is a deficient number, since it is larger than the sum of its proper divisors (1).

151063681 is an equidigital number, since it uses as much as digits as its factorization.

151063681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 151063681 is about 12290.7965974545. The cubic root of 151063681 is about 532.5822494859.

The spelling of 151063681 in words is "one hundred fifty-one million, sixty-three thousand, six hundred eighty-one".