1534040513 has 4 divisors (see below), whose sum is σ = 1538592900. Its totient is φ = 1529488128.

The previous prime is 1534040467. The next prime is 1534040531. The reversal of 1534040513 is 3150404351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 640747969 + 893292544 = 25313^2 + 29888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534040513 - 2¹² = 1534036417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1534043513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2275688 + ... + 2276361.

It is an arithmetic number, because the mean of its divisors is an integer number (384648225).

Almost surely, 2^1534040513 is an apocalyptic number.

It is an amenable number.

1534040513 is a deficient number, since it is larger than the sum of its proper divisors (4552387).

1534040513 is an equidigital number, since it uses as much as digits as its factorization.

1534040513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552386.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1534040513 is about 39166.8292436342. The cubic root of 1534040513 is about 1153.3088104330.

Adding to 1534040513 its reverse (3150404351), we get a palindrome (4684444864).

The spelling of 1534040513 in words is "one billion, five hundred thirty-four million, forty thousand, five hundred thirteen".