349558825225 has 9 divisors (see below), whose sum is σ = 433456608967. Its totient is φ = 279644695240.

The previous prime is 349558825223. The next prime is 349558825241. The reversal of 349558825225 is 522528855943.

The square root of 349558825225 is 591235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 125841177081 + 223717648144 = 354741^2 + 472988^2 .

It is not a de Polignac number, because 349558825225 - 2¹ = 349558825223 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 349558825225.

It is not an unprimeable number, because it can be changed into a prime (349558825223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2897052 + ... + 3015298.

Almost surely, 2^349558825225 is an apocalyptic number.

349558825225 is the 591235-th square number.

349558825225 is the 295618-th centered octagonal number.

It is an amenable number.

349558825225 is a deficient number, since it is larger than the sum of its proper divisors (83897783742).

349558825225 is an frugal number, since it uses more digits than its factorization.

349558825225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236504 (or 118252 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 58.

The spelling of 349558825225 in words is "three hundred forty-nine billion, five hundred fifty-eight million, eight hundred twenty-five thousand, two hundred twenty-five".