401051401 has 2 divisors, whose sum is σ = 401051402. Its totient is φ = 401051400.

The previous prime is 401051341. The next prime is 401051407. The reversal of 401051401 is 104150104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400800400 + 251001 = 20020^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 401051401 - 2¹⁵ = 401018633 is a prime.

It is not a weakly prime, because it can be changed into another prime (401051407) 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, 200525700 + 200525701.

It is an arithmetic number, because the mean of its divisors is an integer number (200525701).

Almost surely, 2^401051401 is an apocalyptic number.

It is an amenable number.

401051401 is a deficient number, since it is larger than the sum of its proper divisors (1).

401051401 is an equidigital number, since it uses as much as digits as its factorization.

401051401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 401051401 is about 20026.2677750998. The cubic root of 401051401 is about 737.4513006625.

The spelling of 401051401 in words is "four hundred one million, fifty-one thousand, four hundred one".