342505511 has 4 divisors (see below), whose sum is σ = 362652912. Its totient is φ = 322358112.

The previous prime is 342505507. The next prime is 342505517. The reversal of 342505511 is 115505243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342505511 - 2² = 342505507 is a prime.

It is a super-2 number, since 2×342505511² = 234620050130742242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342505517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10073675 + ... + 10073708.

It is an arithmetic number, because the mean of its divisors is an integer number (90663228).

Almost surely, 2^342505511 is an apocalyptic number.

342505511 is a deficient number, since it is larger than the sum of its proper divisors (20147401).

342505511 is a wasteful number, since it uses less digits than its factorization.

342505511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147400.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 342505511 is about 18506.9044142990. The cubic root of 342505511 is about 699.6634511438.

The spelling of 342505511 in words is "three hundred forty-two million, five hundred five thousand, five hundred eleven".