342451 has 2 divisors, whose sum is σ = 342452. Its totient is φ = 342450.

The previous prime is 342449. The next prime is 342467. The reversal of 342451 is 154243.

It is a weak prime.

It is an emirp because it is prime and its reverse (154243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342451 - 2¹ = 342449 is a prime.

Together with 342449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (342421) 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 as a sum of consecutive naturals, namely, 171225 + 171226.

It is an arithmetic number, because the mean of its divisors is an integer number (171226).

2³⁴²⁴⁵¹ is an apocalyptic number.

342451 is a deficient number, since it is larger than the sum of its proper divisors (1).

342451 is an equidigital number, since it uses as much as digits as its factorization.

342451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 342451 is about 585.1931305133. The cubic root of 342451 is about 69.9626331179.

Adding to 342451 its reverse (154243), we get a palindrome (496694).

It can be divided in two parts, 34 and 2451, that added together give a triangular number (2485 = T₇₀).

The spelling of 342451 in words is "three hundred forty-two thousand, four hundred fifty-one".