1531531483 has 2 divisors, whose sum is σ = 1531531484. Its totient is φ = 1531531482.

The previous prime is 1531531451. The next prime is 1531531487. The reversal of 1531531483 is 3841351351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1531531483 - 2⁵ = 1531531451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1531531487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765765741 + 765765742.

It is an arithmetic number, because the mean of its divisors is an integer number (765765742).

Almost surely, 2^1531531483 is an apocalyptic number.

1531531483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1531531483 is an equidigital number, since it uses as much as digits as its factorization.

1531531483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 1531531483 is about 39134.7860988150. The cubic root of 1531531483 is about 1152.6796950514.

The spelling of 1531531483 in words is "one billion, five hundred thirty-one million, five hundred thirty-one thousand, four hundred eighty-three".