1534521413 has 2 divisors, whose sum is σ = 1534521414. Its totient is φ = 1534521412.

The previous prime is 1534521407. The next prime is 1534521431. The reversal of 1534521413 is 3141254351.

Together with next prime (1534521431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1439595364 + 94926049 = 37942^2 + 9743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534521413 - 2¹⁸ = 1534259269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1534521403) 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, 767260706 + 767260707.

It is an arithmetic number, because the mean of its divisors is an integer number (767260707).

Almost surely, 2^1534521413 is an apocalyptic number.

It is an amenable number.

1534521413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534521413 is an equidigital number, since it uses as much as digits as its factorization.

1534521413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 1534521413 is about 39172.9678860308. The cubic root of 1534521413 is about 1153.4293131743.

Adding to 1534521413 its reverse (3141254351), we get a palindrome (4675775764).

The spelling of 1534521413 in words is "one billion, five hundred thirty-four million, five hundred twenty-one thousand, four hundred thirteen".