1248512563 has 2 divisors, whose sum is σ = 1248512564. Its totient is φ = 1248512562.

The previous prime is 1248512549. The next prime is 1248512567. The reversal of 1248512563 is 3652158421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1248512563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1248512567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624256281 + 624256282.

It is an arithmetic number, because the mean of its divisors is an integer number (624256282).

Almost surely, 2^1248512563 is an apocalyptic number.

1248512563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248512563 is an equidigital number, since it uses as much as digits as its factorization.

1248512563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 37.

The square root of 1248512563 is about 35334.2972620088. The cubic root of 1248512563 is about 1076.7898973077.

The spelling of 1248512563 in words is "one billion, two hundred forty-eight million, five hundred twelve thousand, five hundred sixty-three".