347471401 has 2 divisors, whose sum is σ = 347471402. Its totient is φ = 347471400.

The previous prime is 347471303. The next prime is 347471407. The reversal of 347471401 is 104174743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287811225 + 59660176 = 16965^2 + 7724^2 .

It is an emirp because it is prime and its reverse (104174743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347471401 - 2⁷ = 347471273 is a prime.

It is not a weakly prime, because it can be changed into another prime (347471407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173735700 + 173735701.

It is an arithmetic number, because the mean of its divisors is an integer number (173735701).

Almost surely, 2^347471401 is an apocalyptic number.

It is an amenable number.

347471401 is a deficient number, since it is larger than the sum of its proper divisors (1).

347471401 is an equidigital number, since it uses as much as digits as its factorization.

347471401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 347471401 is about 18640.5847815995. The cubic root of 347471401 is about 703.0286466315.

The spelling of 347471401 in words is "three hundred forty-seven million, four hundred seventy-one thousand, four hundred one".