1351280687 has 2 divisors, whose sum is σ = 1351280688. Its totient is φ = 1351280686.

The previous prime is 1351280647. The next prime is 1351280699. The reversal of 1351280687 is 7860821531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1351280687 - 2²⁰ = 1350232111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351280617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675640343 + 675640344.

It is an arithmetic number, because the mean of its divisors is an integer number (675640344).

Almost surely, 2^1351280687 is an apocalyptic number.

1351280687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351280687 is an equidigital number, since it uses as much as digits as its factorization.

1351280687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1351280687 is about 36759.7699530343. The cubic root of 1351280687 is about 1105.5588273761.

The spelling of 1351280687 in words is "one billion, three hundred fifty-one million, two hundred eighty thousand, six hundred eighty-seven".