342015197 has 4 divisors (see below), whose sum is σ = 362133756. Its totient is φ = 321896640.

The previous prime is 342015169. The next prime is 342015209. The reversal of 342015197 is 791510243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791510243 = 79 ⋅10019117.

It can be written as a sum of positive squares in 2 ways, for example, as 306565081 + 35450116 = 17509^2 + 5954^2 .

It is a cyclic number.

It is not a de Polignac number, because 342015197 - 2⁸ = 342014941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342015127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10059254 + ... + 10059287.

It is an arithmetic number, because the mean of its divisors is an integer number (90533439).

Almost surely, 2^342015197 is an apocalyptic number.

It is an amenable number.

342015197 is a deficient number, since it is larger than the sum of its proper divisors (20118559).

342015197 is a wasteful number, since it uses less digits than its factorization.

342015197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20118558.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 342015197 is about 18493.6528841654. The cubic root of 342015197 is about 699.3294238023.

The spelling of 342015197 in words is "three hundred forty-two million, fifteen thousand, one hundred ninety-seven".