243427532 has 6 divisors (see below), whose sum is σ = 425998188. Its totient is φ = 121713764.

The previous prime is 243427529. The next prime is 243427543. The reversal of 243427532 is 235724342.

It is a super-2 number, since 2×243427532² = 118513926671222048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30428438 + ... + 30428445.

It is an arithmetic number, because the mean of its divisors is an integer number (70999698).

Almost surely, 2^243427532 is an apocalyptic number.

It is an amenable number.

243427532 is a deficient number, since it is larger than the sum of its proper divisors (182570656).

243427532 is a wasteful number, since it uses less digits than its factorization.

243427532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60856887 (or 60856885 counting only the distinct ones).

The product of its digits is 40320, while the sum is 32.

The square root of 243427532 is about 15602.1643370399. The cubic root of 243427532 is about 624.3909005628.

The spelling of 243427532 in words is "two hundred forty-three million, four hundred twenty-seven thousand, five hundred thirty-two".