1532215532 has 12 divisors (see below), whose sum is σ = 2687572776. Its totient is φ = 764337600.

The previous prime is 1532215519. The next prime is 1532215567. The reversal of 1532215532 is 2355122351.

It is a junction number, because it is equal to n+sod(n) for n = 1532215495 and 1532215504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440594 + ... + 444057.

It is an arithmetic number, because the mean of its divisors is an integer number (223964398).

Almost surely, 2^1532215532 is an apocalyptic number.

It is an amenable number.

1532215532 is a deficient number, since it is larger than the sum of its proper divisors (1155357244).

1532215532 is a wasteful number, since it uses less digits than its factorization.

1532215532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885088 (or 885086 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 1532215532 is about 39143.5247774137. The cubic root of 1532215532 is about 1152.8512819106.

Adding to 1532215532 its reverse (2355122351), we get a palindrome (3887337883).

The spelling of 1532215532 in words is "one billion, five hundred thirty-two million, two hundred fifteen thousand, five hundred thirty-two".