342581677 has 2 divisors, whose sum is σ = 342581678. Its totient is φ = 342581676.

The previous prime is 342581663. The next prime is 342581717. The reversal of 342581677 is 776185243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327573801 + 15007876 = 18099^2 + 3874^2 .

It is a cyclic number.

It is not a de Polignac number, because 342581677 - 2⁷ = 342581549 is a prime.

It is a super-2 number, since 2×342581677² = 234724410832264658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342521677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171290838 + 171290839.

It is an arithmetic number, because the mean of its divisors is an integer number (171290839).

Almost surely, 2^342581677 is an apocalyptic number.

It is an amenable number.

342581677 is a deficient number, since it is larger than the sum of its proper divisors (1).

342581677 is an equidigital number, since it uses as much as digits as its factorization.

342581677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 342581677 is about 18508.9620724664. The cubic root of 342581677 is about 699.7153107635.

The spelling of 342581677 in words is "three hundred forty-two million, five hundred eighty-one thousand, six hundred seventy-seven".