215463532 has 12 divisors (see below), whose sum is σ = 377878816. Its totient is φ = 107498160.

The previous prime is 215463511. The next prime is 215463631. The reversal of 215463532 is 235364512.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 215463494 and 215463503.

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 3 ways as a sum of consecutive naturals, for example, 56319 + ... + 60022.

Almost surely, 2^215463532 is an apocalyptic number.

It is an amenable number.

215463532 is a deficient number, since it is larger than the sum of its proper divisors (162415284).

215463532 is a wasteful number, since it uses less digits than its factorization.

215463532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116808 (or 116806 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 215463532 is about 14678.6760983407. The cubic root of 215463532 is about 599.5028585681.

The spelling of 215463532 in words is "two hundred fifteen million, four hundred sixty-three thousand, five hundred thirty-two".