342521079 has 4 divisors (see below), whose sum is σ = 456694776. Its totient is φ = 228347384.

The previous prime is 342521057. The next prime is 342521089. The reversal of 342521079 is 970125243.

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 342521079 - 2¹³ = 342512887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342521029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57086844 + ... + 57086849.

It is an arithmetic number, because the mean of its divisors is an integer number (114173694).

Almost surely, 2^342521079 is an apocalyptic number.

342521079 is a deficient number, since it is larger than the sum of its proper divisors (114173697).

342521079 is a wasteful number, since it uses less digits than its factorization.

342521079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114173696.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 342521079 is about 18507.3250093037. The cubic root of 342521079 is about 699.6740516502.

The spelling of 342521079 in words is "three hundred forty-two million, five hundred twenty-one thousand, seventy-nine".