342091553 has 2 divisors, whose sum is σ = 342091554. Its totient is φ = 342091552.

The previous prime is 342091543. The next prime is 342091559. The reversal of 342091553 is 355190243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229583104 + 112508449 = 15152^2 + 10607^2 .

It is an emirp because it is prime and its reverse (355190243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342091553 - 2⁴ = 342091537 is a prime.

It is not a weakly prime, because it can be changed into another prime (342091559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171045776 + 171045777.

It is an arithmetic number, because the mean of its divisors is an integer number (171045777).

Almost surely, 2^342091553 is an apocalyptic number.

It is an amenable number.

342091553 is a deficient number, since it is larger than the sum of its proper divisors (1).

342091553 is an equidigital number, since it uses as much as digits as its factorization.

342091553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 342091553 is about 18495.7171528979. The cubic root of 342091553 is about 699.3814624492.

The spelling of 342091553 in words is "three hundred forty-two million, ninety-one thousand, five hundred fifty-three".