342647453 has 2 divisors, whose sum is σ = 342647454. Its totient is φ = 342647452.

The previous prime is 342647423. The next prime is 342647467. The reversal of 342647453 is 354746243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242206969 + 100440484 = 15563^2 + 10022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342647453 is a prime.

It is a super-3 number, since 3×342647453³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342647413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171323726 + 171323727.

It is an arithmetic number, because the mean of its divisors is an integer number (171323727).

Almost surely, 2^342647453 is an apocalyptic number.

It is an amenable number.

342647453 is a deficient number, since it is larger than the sum of its proper divisors (1).

342647453 is an equidigital number, since it uses as much as digits as its factorization.

342647453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 38.

The square root of 342647453 is about 18510.7388561343. The cubic root of 342647453 is about 699.7600898942.

The spelling of 342647453 in words is "three hundred forty-two million, six hundred forty-seven thousand, four hundred fifty-three".