1252835879563 has 2 divisors, whose sum is σ = 1252835879564. Its totient is φ = 1252835879562.

The previous prime is 1252835879509. The next prime is 1252835879573. The reversal of 1252835879563 is 3659785382521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252835879563 is a prime.

It is a super-2 number, since 2×1252835879563² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252835879495 and 1252835879504.

It is not a weakly prime, because it can be changed into another prime (1252835879573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626417939781 + 626417939782.

It is an arithmetic number, because the mean of its divisors is an integer number (626417939782).

Almost surely, 2^{1252835879563} is an apocalyptic number.

1252835879563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252835879563 is an equidigital number, since it uses as much as digits as its factorization.

1252835879563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864000, while the sum is 64.

The spelling of 1252835879563 in words is "one trillion, two hundred fifty-two billion, eight hundred thirty-five million, eight hundred seventy-nine thousand, five hundred sixty-three".