1285610959 has 2 divisors, whose sum is σ = 1285610960. Its totient is φ = 1285610958.

The previous prime is 1285610939. The next prime is 1285610969. The reversal of 1285610959 is 9590165821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1285610959 - 2¹⁷ = 1285479887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1285610939) 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, 642805479 + 642805480.

It is an arithmetic number, because the mean of its divisors is an integer number (642805480).

Almost surely, 2^1285610959 is an apocalyptic number.

1285610959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285610959 is an equidigital number, since it uses as much as digits as its factorization.

1285610959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 46.

The square root of 1285610959 is about 35855.4174288907. The cubic root of 1285610959 is about 1087.3512430341.

The spelling of 1285610959 in words is "one billion, two hundred eighty-five million, six hundred ten thousand, nine hundred fifty-nine".