401852401 has 2 divisors, whose sum is σ = 401852402. Its totient is φ = 401852400.

The previous prime is 401852393. The next prime is 401852419. The reversal of 401852401 is 104258104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376360000 + 25492401 = 19400^2 + 5049^2 .

It is a cyclic number.

It is not a de Polignac number, because 401852401 - 2³ = 401852393 is a prime.

It is a super-2 number, since 2×401852401² = 322970704378929602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401852471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200926200 + 200926201.

It is an arithmetic number, because the mean of its divisors is an integer number (200926201).

Almost surely, 2^401852401 is an apocalyptic number.

It is an amenable number.

401852401 is a deficient number, since it is larger than the sum of its proper divisors (1).

401852401 is an equidigital number, since it uses as much as digits as its factorization.

401852401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 401852401 is about 20046.2565333281. The cubic root of 401852401 is about 737.9419324274.

The spelling of 401852401 in words is "four hundred one million, eight hundred fifty-two thousand, four hundred one".