342942577 has 2 divisors, whose sum is σ = 342942578. Its totient is φ = 342942576.

The previous prime is 342942569. The next prime is 342942583. The reversal of 342942577 is 775249243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318301281 + 24641296 = 17841^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 342942577 - 2³ = 342942569 is a prime.

It is a super-2 number, since 2×342942577² = 235219222238801858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342942877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171471288 + 171471289.

It is an arithmetic number, because the mean of its divisors is an integer number (171471289).

Almost surely, 2^342942577 is an apocalyptic number.

It is an amenable number.

342942577 is a deficient number, since it is larger than the sum of its proper divisors (1).

342942577 is an equidigital number, since it uses as much as digits as its factorization.

342942577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 342942577 is about 18518.7088372813. The cubic root of 342942577 is about 699.9609345546.

The spelling of 342942577 in words is "three hundred forty-two million, nine hundred forty-two thousand, five hundred seventy-seven".