347825 has 6 divisors (see below), whose sum is σ = 431334. Its totient is φ = 278240.

The previous prime is 347821. The next prime is 347849. The reversal of 347825 is 528743.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 312481 = 188^2 + 559^2 .

It is not a de Polignac number, because 347825 - 2² = 347821 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁴ + 4⁸ + 8⁴ + 7³ + 2¹⁸ + 5⁶ .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347825.

It is not an unprimeable number, because it can be changed into a prime (347821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6932 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (71889).

2³⁴⁷⁸²⁵ is an apocalyptic number.

It is an amenable number.

347825 is a deficient number, since it is larger than the sum of its proper divisors (83509).

347825 is a wasteful number, since it uses less digits than its factorization.

347825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13923 (or 13918 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 347825 is about 589.7669031066. The cubic root of 347825 is about 70.3267041263.

The spelling of 347825 in words is "three hundred forty-seven thousand, eight hundred twenty-five".