342549 has 10 divisors (see below), whose sum is σ = 511830. Its totient is φ = 228312.

The previous prime is 342547. The next prime is 342553. The reversal of 342549 is 945243.

It can be written as a sum of positive squares in only one way, i.e., 342225 + 324 = 585^2 + 18^2 .

It is not a de Polignac number, because 342549 - 2¹ = 342547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 3⁷ + 4 + 5⁷ + 2³ + 4⁹ + 9² .

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342549.

It is not an unprimeable number, because it can be changed into a prime (342547) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2034 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (51183).

2³⁴²⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

342549 is a deficient number, since it is larger than the sum of its proper divisors (169281).

342549 is an equidigital number, since it uses as much as digits as its factorization.

342549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241 (or 4232 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 342549 is about 585.2768575640. The cubic root of 342549 is about 69.9693062712.

The spelling of 342549 in words is "three hundred forty-two thousand, five hundred forty-nine".