401261327 has 2 divisors, whose sum is σ = 401261328. Its totient is φ = 401261326.

The previous prime is 401261293. The next prime is 401261339. The reversal of 401261327 is 723162104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401261327 - 2²² = 397067023 is a prime.

It is a super-2 number, since 2×401261327² = 322021305091601858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401261296 and 401261305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401261347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200630663 + 200630664.

It is an arithmetic number, because the mean of its divisors is an integer number (200630664).

Almost surely, 2^401261327 is an apocalyptic number.

401261327 is a deficient number, since it is larger than the sum of its proper divisors (1).

401261327 is an equidigital number, since it uses as much as digits as its factorization.

401261327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 401261327 is about 20031.5083555882. The cubic root of 401261327 is about 737.5799485099.

The spelling of 401261327 in words is "four hundred one million, two hundred sixty-one thousand, three hundred twenty-seven".