215424652 has 6 divisors (see below), whose sum is σ = 376993148. Its totient is φ = 107712324.

The previous prime is 215424607. The next prime is 215424659. The reversal of 215424652 is 256424512.

It is a super-2 number, since 2×215424652² = 92815561378642208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (215424659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26928078 + ... + 26928085.

Almost surely, 2^215424652 is an apocalyptic number.

It is an amenable number.

215424652 is a deficient number, since it is larger than the sum of its proper divisors (161568496).

215424652 is a wasteful number, since it uses less digits than its factorization.

215424652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53856167 (or 53856165 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 215424652 is about 14677.3516684721. The cubic root of 215424652 is about 599.4667966677.

The spelling of 215424652 in words is "two hundred fifteen million, four hundred twenty-four thousand, six hundred fifty-two".