342421725 has 12 divisors (see below), whose sum is σ = 566137376. Its totient is φ = 182624880.

The previous prime is 342421669. The next prime is 342421733. The reversal of 342421725 is 527124243.

It is not a de Polignac number, because 342421725 - 2⁹ = 342421213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342421692 and 342421701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2282737 + ... + 2282886.

Almost surely, 2^342421725 is an apocalyptic number.

It is an amenable number.

342421725 is a deficient number, since it is larger than the sum of its proper divisors (223715651).

342421725 is a wasteful number, since it uses less digits than its factorization.

342421725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565636 (or 4565631 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 342421725 is about 18504.6406341761. The cubic root of 342421725 is about 699.6063943657.

Adding to 342421725 its reverse (527124243), we get a palindrome (869545968).

The spelling of 342421725 in words is "three hundred forty-two million, four hundred twenty-one thousand, seven hundred twenty-five".