1258768853 has 2 divisors, whose sum is σ = 1258768854. Its totient is φ = 1258768852.

The previous prime is 1258768843. The next prime is 1258768873. The reversal of 1258768853 is 3588678521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 685549489 + 573219364 = 26183^2 + 23942^2 .

It is a cyclic number.

It is not a de Polignac number, because 1258768853 - 2⁶ = 1258768789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1258768795 and 1258768804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1258768813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629384426 + 629384427.

It is an arithmetic number, because the mean of its divisors is an integer number (629384427).

Almost surely, 2^1258768853 is an apocalyptic number.

It is an amenable number.

1258768853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258768853 is an equidigital number, since it uses as much as digits as its factorization.

1258768853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 53.

The square root of 1258768853 is about 35479.1326415965. The cubic root of 1258768853 is about 1079.7304005269.

The spelling of 1258768853 in words is "one billion, two hundred fifty-eight million, seven hundred sixty-eight thousand, eight hundred fifty-three".