1535152213 has 6 divisors (see below), whose sum is σ = 1785789366. Its totient is φ = 1315844712.

The previous prime is 1535152153. The next prime is 1535152231. The reversal of 1535152213 is 3122515351.

It can be written as a sum of positive squares in only one way, i.e., 1518037444 + 17114769 = 38962^2 + 4137^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1535152213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535152013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15664770 + ... + 15664867.

It is an arithmetic number, because the mean of its divisors is an integer number (297631561).

Almost surely, 2^1535152213 is an apocalyptic number.

It is an amenable number.

1535152213 is a deficient number, since it is larger than the sum of its proper divisors (250637153).

1535152213 is an equidigital number, since it uses as much as digits as its factorization.

1535152213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31329651 (or 31329644 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 1535152213 is about 39181.0185293849. The cubic root of 1535152213 is about 1153.5873393252.

Adding to 1535152213 its reverse (3122515351), we get a palindrome (4657667564).

The spelling of 1535152213 in words is "one billion, five hundred thirty-five million, one hundred fifty-two thousand, two hundred thirteen".