401959583 has 2 divisors, whose sum is σ = 401959584. Its totient is φ = 401959582.

The previous prime is 401959559. The next prime is 401959589. The reversal of 401959583 is 385959104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401959583 - 2¹⁰ = 401958559 is a prime.

It is a Sophie Germain 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 (401959589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200979791 + 200979792.

It is an arithmetic number, because the mean of its divisors is an integer number (200979792).

Almost surely, 2^401959583 is an apocalyptic number.

401959583 is a deficient number, since it is larger than the sum of its proper divisors (1).

401959583 is an equidigital number, since it uses as much as digits as its factorization.

401959583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 401959583 is about 20048.9297220575. The cubic root of 401959583 is about 738.0075345084.

The spelling of 401959583 in words is "four hundred one million, nine hundred fifty-nine thousand, five hundred eighty-three".