342507349 has 2 divisors, whose sum is σ = 342507350. Its totient is φ = 342507348.

The previous prime is 342507323. The next prime is 342507353. The reversal of 342507349 is 943705243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244140625 + 98366724 = 15625^2 + 9918^2 .

It is a cyclic number.

It is not a de Polignac number, because 342507349 - 2²⁷ = 208289621 is a prime.

It is a super-2 number, since 2×342507349² = 234622568238015602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342507379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171253674 + 171253675.

It is an arithmetic number, because the mean of its divisors is an integer number (171253675).

Almost surely, 2^342507349 is an apocalyptic number.

It is an amenable number.

342507349 is a deficient number, since it is larger than the sum of its proper divisors (1).

342507349 is an equidigital number, since it uses as much as digits as its factorization.

342507349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 342507349 is about 18506.9540713754. The cubic root of 342507349 is about 699.6647026848.

The spelling of 342507349 in words is "three hundred forty-two million, five hundred seven thousand, three hundred forty-nine".