1307852981 has 2 divisors, whose sum is σ = 1307852982. Its totient is φ = 1307852980.

The previous prime is 1307852969. The next prime is 1307852989. The reversal of 1307852981 is 1892587031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884110756 + 423742225 = 29734^2 + 20585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307852981 - 2¹⁰ = 1307851957 is a prime.

It is a super-3 number, since 3×1307852981³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1307852989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653926490 + 653926491.

It is an arithmetic number, because the mean of its divisors is an integer number (653926491).

Almost surely, 2^1307852981 is an apocalyptic number.

It is an amenable number.

1307852981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307852981 is an equidigital number, since it uses as much as digits as its factorization.

1307852981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1307852981 is about 36164.2500406133. The cubic root of 1307852981 is about 1093.5860849719.

The spelling of 1307852981 in words is "one billion, three hundred seven million, eight hundred fifty-two thousand, nine hundred eighty-one".