347225939 has 2 divisors, whose sum is σ = 347225940. Its totient is φ = 347225938.

The previous prime is 347225933. The next prime is 347225987. The reversal of 347225939 is 939522743.

It is a weak prime.

It is an emirp because it is prime and its reverse (939522743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347225939 - 2¹⁶ = 347160403 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 347225939.

It is not a weakly prime, because it can be changed into another prime (347225933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173612969 + 173612970.

It is an arithmetic number, because the mean of its divisors is an integer number (173612970).

Almost surely, 2^347225939 is an apocalyptic number.

347225939 is a deficient number, since it is larger than the sum of its proper divisors (1).

347225939 is an equidigital number, since it uses as much as digits as its factorization.

347225939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 347225939 is about 18633.9995438446. Note that the first 3 decimals coincide. The cubic root of 347225939 is about 702.8630622906.

The spelling of 347225939 in words is "three hundred forty-seven million, two hundred twenty-five thousand, nine hundred thirty-nine".