243080626 has 4 divisors (see below), whose sum is σ = 364620942. Its totient is φ = 121540312.

The previous prime is 243080611. The next prime is 243080633. The reversal of 243080626 is 626080342.

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

It can be written as a sum of positive squares in only one way, i.e., 238733401 + 4347225 = 15451^2 + 2085^2 .

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 as a sum of consecutive naturals, namely, 60770155 + ... + 60770158.

Almost surely, 2^243080626 is an apocalyptic number.

243080626 is a deficient number, since it is larger than the sum of its proper divisors (121540316).

243080626 is a wasteful number, since it uses less digits than its factorization.

243080626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121540315.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 243080626 is about 15591.0431337996. The cubic root of 243080626 is about 624.0941552668.

The spelling of 243080626 in words is "two hundred forty-three million, eighty thousand, six hundred twenty-six".