242432977 has 2 divisors, whose sum is σ = 242432978. Its totient is φ = 242432976.

The previous prime is 242432941. The next prime is 242432999. The reversal of 242432977 is 779234242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206899456 + 35533521 = 14384^2 + 5961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242432977 is a prime.

It is not a weakly prime, because it can be changed into another prime (242432777) by changing a digit.

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, 121216488 + 121216489.

It is an arithmetic number, because the mean of its divisors is an integer number (121216489).

Almost surely, 2^242432977 is an apocalyptic number.

It is an amenable number.

242432977 is a deficient number, since it is larger than the sum of its proper divisors (1).

242432977 is an equidigital number, since it uses as much as digits as its factorization.

242432977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 40.

The square root of 242432977 is about 15570.2593748467. The cubic root of 242432977 is about 623.5393963180.

The spelling of 242432977 in words is "two hundred forty-two million, four hundred thirty-two thousand, nine hundred seventy-seven".