342512405 has 8 divisors (see below), whose sum is σ = 417981600. Its totient is φ = 269365456.

The previous prime is 342512399. The next prime is 342512407. The reversal of 342512405 is 504215243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342512405 - 2¹⁰ = 342511381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342512407) 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 7 ways as a sum of consecutive naturals, for example, 580235 + ... + 580824.

It is an arithmetic number, because the mean of its divisors is an integer number (52247700).

Almost surely, 2^342512405 is an apocalyptic number.

It is an amenable number.

342512405 is a deficient number, since it is larger than the sum of its proper divisors (75469195).

342512405 is a wasteful number, since it uses less digits than its factorization.

342512405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161123.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 342512405 is about 18507.0906681736. The cubic root of 342512405 is about 699.6681454210.

Adding to 342512405 its reverse (504215243), we get a palindrome (846727648).

The spelling of 342512405 in words is "three hundred forty-two million, five hundred twelve thousand, four hundred five".