401332579 has 2 divisors, whose sum is σ = 401332580. Its totient is φ = 401332578.

The previous prime is 401332523. The next prime is 401332601. The reversal of 401332579 is 975233104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401332579 - 2¹³ = 401324387 is a prime.

It is a super-2 number, since 2×401332579² = 322135677933582482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401332879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200666289 + 200666290.

It is an arithmetic number, because the mean of its divisors is an integer number (200666290).

Almost surely, 2^401332579 is an apocalyptic number.

401332579 is a deficient number, since it is larger than the sum of its proper divisors (1).

401332579 is an equidigital number, since it uses as much as digits as its factorization.

401332579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 401332579 is about 20033.2867747656. The cubic root of 401332579 is about 737.6236032993.

The spelling of 401332579 in words is "four hundred one million, three hundred thirty-two thousand, five hundred seventy-nine".