342995551 has 2 divisors, whose sum is σ = 342995552. Its totient is φ = 342995550.

The previous prime is 342995539. The next prime is 342995599. The reversal of 342995551 is 155599243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342995551 - 2¹⁷ = 342864479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342995498 and 342995507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342993551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171497775 + 171497776.

It is an arithmetic number, because the mean of its divisors is an integer number (171497776).

Almost surely, 2^342995551 is an apocalyptic number.

342995551 is a deficient number, since it is larger than the sum of its proper divisors (1).

342995551 is an equidigital number, since it uses as much as digits as its factorization.

342995551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 43.

The square root of 342995551 is about 18520.1390653526. The cubic root of 342995551 is about 699.9969734563.

The spelling of 342995551 in words is "three hundred forty-two million, nine hundred ninety-five thousand, five hundred fifty-one".