243427502 has 4 divisors (see below), whose sum is σ = 365141256. Its totient is φ = 121713750.

The previous prime is 243427501. The next prime is 243427511. The reversal of 243427502 is 205724342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243427501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60856874 + ... + 60856877.

It is an arithmetic number, because the mean of its divisors is an integer number (91285314).

Almost surely, 2^243427502 is an apocalyptic number.

243427502 is a deficient number, since it is larger than the sum of its proper divisors (121713754).

243427502 is a wasteful number, since it uses less digits than its factorization.

243427502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121713753.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 243427502 is about 15602.1633756348. The cubic root of 243427502 is about 624.3908749128.

The spelling of 243427502 in words is "two hundred forty-three million, four hundred twenty-seven thousand, five hundred two".