1532152543 has 4 divisors (see below), whose sum is σ = 1553141008. Its totient is φ = 1511164080.

The previous prime is 1532152519. The next prime is 1532152579. The reversal of 1532152543 is 3452512351.

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

It is a cyclic number.

It is not a de Polignac number, because 1532152543 - 2⁹ = 1532152031 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 (1532852543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10494123 + ... + 10494268.

It is an arithmetic number, because the mean of its divisors is an integer number (388285252).

Almost surely, 2^1532152543 is an apocalyptic number.

1532152543 is a deficient number, since it is larger than the sum of its proper divisors (20988465).

1532152543 is an equidigital number, since it uses as much as digits as its factorization.

1532152543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20988464.

The product of its digits is 18000, while the sum is 31.

The square root of 1532152543 is about 39142.7201788532. The cubic root of 1532152543 is about 1152.8354838841.

Adding to 1532152543 its reverse (3452512351), we get a palindrome (4984664894).

The spelling of 1532152543 in words is "one billion, five hundred thirty-two million, one hundred fifty-two thousand, five hundred forty-three".