532138513 has 2 divisors, whose sum is σ = 532138514. Its totient is φ = 532138512.

The previous prime is 532138507. The next prime is 532138517. The reversal of 532138513 is 315831235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376088449 + 156050064 = 19393^2 + 12492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532138513 is a prime.

It is not a weakly prime, because it can be changed into another prime (532138517) 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, 266069256 + 266069257.

It is an arithmetic number, because the mean of its divisors is an integer number (266069257).

Almost surely, 2^532138513 is an apocalyptic number.

It is an amenable number.

532138513 is a deficient number, since it is larger than the sum of its proper divisors (1).

532138513 is an equidigital number, since it uses as much as digits as its factorization.

532138513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 532138513 is about 23068.1276440027. The cubic root of 532138513 is about 810.3542183924.

Adding to 532138513 its reverse (315831235), we get a palindrome (847969748).

It can be divided in two parts, 5321 and 38513, that added together give a palindrome (43834).

The spelling of 532138513 in words is "five hundred thirty-two million, one hundred thirty-eight thousand, five hundred thirteen".