342905625 has 30 divisors (see below), whose sum is σ = 618947186. Its totient is φ = 182880000.

The previous prime is 342905621. The next prime is 342905627. The reversal of 342905625 is 526509243.

342905625 is a `hidden beast` number, since 3 + 4 + 2 + 90 + 562 + 5 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 254338704 + 88566921 = 15948^2 + 9411^2 .

It is not a de Polignac number, because 342905625 - 2² = 342905621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342905625.

It is not an unprimeable number, because it can be changed into a prime (342905621) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 24856 + ... + 36105.

Almost surely, 2^342905625 is an apocalyptic number.

It is an amenable number.

342905625 is a deficient number, since it is larger than the sum of its proper divisors (276041561).

342905625 is an equidigital number, since it uses as much as digits as its factorization.

342905625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60987 (or 60969 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 342905625 is about 18517.7111166580. The cubic root of 342905625 is about 699.9357934306.

The spelling of 342905625 in words is "three hundred forty-two million, nine hundred five thousand, six hundred twenty-five".