1041731557 has 2 divisors, whose sum is σ = 1041731558. Its totient is φ = 1041731556.

The previous prime is 1041731521. The next prime is 1041731569. The reversal of 1041731557 is 7551371401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761704801 + 280026756 = 27599^2 + 16734^2 .

It is a cyclic number.

It is not a de Polignac number, because 1041731557 - 2¹⁵ = 1041698789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041731507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520865778 + 520865779.

It is an arithmetic number, because the mean of its divisors is an integer number (520865779).

Almost surely, 2^1041731557 is an apocalyptic number.

It is an amenable number.

1041731557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041731557 is an equidigital number, since it uses as much as digits as its factorization.

1041731557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 1041731557 is about 32275.8664794611. The cubic root of 1041731557 is about 1013.7213815513.

The spelling of 1041731557 in words is "one billion, forty-one million, seven hundred thirty-one thousand, five hundred fifty-seven".