1532542215 has 16 divisors (see below), whose sum is σ = 2452589568. Its totient is φ = 817181856.

The previous prime is 1532542199. The next prime is 1532542229. The reversal of 1532542215 is 5122452351.

It is not a de Polignac number, because 1532542215 - 2⁴ = 1532542199 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 95502 + ... + 110388.

It is an arithmetic number, because the mean of its divisors is an integer number (153286848).

Almost surely, 2^1532542215 is an apocalyptic number.

1532542215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1532542215 is a deficient number, since it is larger than the sum of its proper divisors (920047353).

1532542215 is a wasteful number, since it uses less digits than its factorization.

1532542215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21758.

The product of its digits is 12000, while the sum is 30.

The square root of 1532542215 is about 39147.6974418675. The cubic root of 1532542215 is about 1152.9332090600.

Adding to 1532542215 its reverse (5122452351), we get a palindrome (6654994566).

The spelling of 1532542215 in words is "one billion, five hundred thirty-two million, five hundred forty-two thousand, two hundred fifteen".