475731371 has 2 divisors, whose sum is σ = 475731372. Its totient is φ = 475731370.

The previous prime is 475731313. The next prime is 475731407. The reversal of 475731371 is 173137574.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475731371 is a prime.

It is a super-3 number, since 3×475731371³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (475731271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237865685 + 237865686.

It is an arithmetic number, because the mean of its divisors is an integer number (237865686).

Almost surely, 2^475731371 is an apocalyptic number.

475731371 is a deficient number, since it is larger than the sum of its proper divisors (1).

475731371 is an equidigital number, since it uses as much as digits as its factorization.

475731371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61740, while the sum is 38.

The square root of 475731371 is about 21811.2670654412. The cubic root of 475731371 is about 780.6456253254.

The spelling of 475731371 in words is "four hundred seventy-five million, seven hundred thirty-one thousand, three hundred seventy-one".