475893641 has 2 divisors, whose sum is σ = 475893642. Its totient is φ = 475893640.

The previous prime is 475893629. The next prime is 475893661. The reversal of 475893641 is 146398574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272118016 + 203775625 = 16496^2 + 14275^2 .

It is a cyclic number.

It is not a de Polignac number, because 475893641 - 2²² = 471699337 is a prime.

It is a super-3 number, since 3×475893641³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475893661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237946820 + 237946821.

It is an arithmetic number, because the mean of its divisors is an integer number (237946821).

Almost surely, 2^475893641 is an apocalyptic number.

It is an amenable number.

475893641 is a deficient number, since it is larger than the sum of its proper divisors (1).

475893641 is an equidigital number, since it uses as much as digits as its factorization.

475893641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 475893641 is about 21814.9866147105. The cubic root of 475893641 is about 780.7343735653.

The spelling of 475893641 in words is "four hundred seventy-five million, eight hundred ninety-three thousand, six hundred forty-one".