401255333 has 2 divisors, whose sum is σ = 401255334. Its totient is φ = 401255332.

The previous prime is 401255329. The next prime is 401255363. The reversal of 401255333 is 333552104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397483969 + 3771364 = 19937^2 + 1942^2 .

It is a cyclic number.

It is not a de Polignac number, because 401255333 - 2² = 401255329 is a prime.

It is a super-2 number, since 2×401255333² = 322011684521881778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401255303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200627666 + 200627667.

It is an arithmetic number, because the mean of its divisors is an integer number (200627667).

Almost surely, 2^401255333 is an apocalyptic number.

It is an amenable number.

401255333 is a deficient number, since it is larger than the sum of its proper divisors (1).

401255333 is an equidigital number, since it uses as much as digits as its factorization.

401255333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 401255333 is about 20031.3587407345. The cubic root of 401255333 is about 737.5762758608.

The spelling of 401255333 in words is "four hundred one million, two hundred fifty-five thousand, three hundred thirty-three".