1314500981 has 2 divisors, whose sum is σ = 1314500982. Its totient is φ = 1314500980.

The previous prime is 1314500969. The next prime is 1314501011. The reversal of 1314500981 is 1890054131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041094756 + 273406225 = 32266^2 + 16535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314500981 - 2¹⁰ = 1314499957 is a prime.

It is a super-2 number, since 2×1314500981² = 3455825658099924722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314500281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657250490 + 657250491.

It is an arithmetic number, because the mean of its divisors is an integer number (657250491).

Almost surely, 2^1314500981 is an apocalyptic number.

It is an amenable number.

1314500981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314500981 is an equidigital number, since it uses as much as digits as its factorization.

1314500981 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 32.

The square root of 1314500981 is about 36256.0475093466. The cubic root of 1314500981 is about 1095.4359046517.

The spelling of 1314500981 in words is "one billion, three hundred fourteen million, five hundred thousand, nine hundred eighty-one".