1247515483 has 2 divisors, whose sum is σ = 1247515484. Its totient is φ = 1247515482.

The previous prime is 1247515457. The next prime is 1247515541. The reversal of 1247515483 is 3845157421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1247515483 - 2⁹ = 1247514971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1247515583) 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, 623757741 + 623757742.

It is an arithmetic number, because the mean of its divisors is an integer number (623757742).

Almost surely, 2^1247515483 is an apocalyptic number.

1247515483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1247515483 is an equidigital number, since it uses as much as digits as its factorization.

1247515483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 40.

The square root of 1247515483 is about 35320.1852061962. The cubic root of 1247515483 is about 1076.5031743599.

The spelling of 1247515483 in words is "one billion, two hundred forty-seven million, five hundred fifteen thousand, four hundred eighty-three".