472671391 has 2 divisors, whose sum is σ = 472671392. Its totient is φ = 472671390.

The previous prime is 472671347. The next prime is 472671401. The reversal of 472671391 is 193176274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472671391 - 2²³ = 464282783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472671191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236335695 + 236335696.

It is an arithmetic number, because the mean of its divisors is an integer number (236335696).

Almost surely, 2^472671391 is an apocalyptic number.

472671391 is a deficient number, since it is larger than the sum of its proper divisors (1).

472671391 is an equidigital number, since it uses as much as digits as its factorization.

472671391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 472671391 is about 21741.0071293857. The cubic root of 472671391 is about 778.9682781532.

The spelling of 472671391 in words is "four hundred seventy-two million, six hundred seventy-one thousand, three hundred ninety-one".