1275705463 has 2 divisors, whose sum is σ = 1275705464. Its totient is φ = 1275705462.

The previous prime is 1275705451. The next prime is 1275705469. The reversal of 1275705463 is 3645075721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1275705463 - 2¹³ = 1275697271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275705469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637852731 + 637852732.

It is an arithmetic number, because the mean of its divisors is an integer number (637852732).

Almost surely, 2^1275705463 is an apocalyptic number.

1275705463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275705463 is an equidigital number, since it uses as much as digits as its factorization.

1275705463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 1275705463 is about 35717.0192345330. The cubic root of 1275705463 is about 1084.5513978612.

The spelling of 1275705463 in words is "one billion, two hundred seventy-five million, seven hundred five thousand, four hundred sixty-three".