1315534229 has 2 divisors, whose sum is σ = 1315534230. Its totient is φ = 1315534228.

The previous prime is 1315534193. The next prime is 1315534237. The reversal of 1315534229 is 9224355131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1311526225 + 4008004 = 36215^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315534229 - 2¹² = 1315530133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315534729) 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, 657767114 + 657767115.

It is an arithmetic number, because the mean of its divisors is an integer number (657767115).

Almost surely, 2^1315534229 is an apocalyptic number.

It is an amenable number.

1315534229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315534229 is an equidigital number, since it uses as much as digits as its factorization.

1315534229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 1315534229 is about 36270.2940296877. The cubic root of 1315534229 is about 1095.7228476418.

The spelling of 1315534229 in words is "one billion, three hundred fifteen million, five hundred thirty-four thousand, two hundred twenty-nine".