342401453 has 2 divisors, whose sum is σ = 342401454. Its totient is φ = 342401452.

The previous prime is 342401443. The next prime is 342401459. The reversal of 342401453 is 354104243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333172009 + 9229444 = 18253^2 + 3038^2 .

It is an emirp because it is prime and its reverse (354104243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342401453 - 2⁸ = 342401197 is a prime.

It is a super-2 number, since 2×342401453² = 234477510033022418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342401459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171200726 + 171200727.

It is an arithmetic number, because the mean of its divisors is an integer number (171200727).

Almost surely, 2^342401453 is an apocalyptic number.

It is an amenable number.

342401453 is a deficient number, since it is larger than the sum of its proper divisors (1).

342401453 is an equidigital number, since it uses as much as digits as its factorization.

342401453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 342401453 is about 18504.0928715784. The cubic root of 342401453 is about 699.5925880954.

Adding to 342401453 its reverse (354104243), we get a palindrome (696505696).

The spelling of 342401453 in words is "three hundred forty-two million, four hundred one thousand, four hundred fifty-three".