354004513243 has 2 divisors, whose sum is σ = 354004513244. Its totient is φ = 354004513242.

The previous prime is 354004513241. The next prime is 354004513301. The reversal of 354004513243 is 342315400453.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354004513243 - 2¹ = 354004513241 is a prime.

Together with 354004513241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 354004513199 and 354004513208.

It is not a weakly prime, because it can be changed into another prime (354004513241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177002256621 + 177002256622.

It is an arithmetic number, because the mean of its divisors is an integer number (177002256622).

Almost surely, 2^354004513243 is an apocalyptic number.

354004513243 is a deficient number, since it is larger than the sum of its proper divisors (1).

354004513243 is an equidigital number, since it uses as much as digits as its factorization.

354004513243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 354004513243 its reverse (342315400453), we get a palindrome (696319913696).

The spelling of 354004513243 in words is "three hundred fifty-four billion, four million, five hundred thirteen thousand, two hundred forty-three".