342361009 has 3 divisors (see below), whose sum is σ = 342379513. Its totient is φ = 342342506.

The previous prime is 342361007. The next prime is 342361051. The reversal of 342361009 is 900163243.

The square root of 342361009 is 18503.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 342361009 - 2¹ = 342361007 is a prime.

It is a super-2 number, since 2×342361009² = 234422120966996162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342361007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9252 + ... + 27754.

Almost surely, 2^342361009 is an apocalyptic number.

342361009 is the 18503-rd square number.

342361009 is the 9252-nd centered octagonal number.

It is an amenable number.

342361009 is a deficient number, since it is larger than the sum of its proper divisors (18504).

342361009 is an frugal number, since it uses more digits than its factorization.

342361009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37006 (or 18503 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The cubic root of 342361009 is about 699.5650420317.

It can be divided in two parts, 34236 and 1009, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 342361009 in words is "three hundred forty-two million, three hundred sixty-one thousand, nine".