401255303 has 2 divisors, whose sum is σ = 401255304. Its totient is φ = 401255302.

The previous prime is 401255297. The next prime is 401255311. The reversal of 401255303 is 303552104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401255303 - 2⁴ = 401255287 is a prime.

It is a super-2 number, since 2×401255303² = 322011636371243618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401255333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200627651 + 200627652.

It is an arithmetic number, because the mean of its divisors is an integer number (200627652).

Almost surely, 2^401255303 is an apocalyptic number.

401255303 is a deficient number, since it is larger than the sum of its proper divisors (1).

401255303 is an equidigital number, since it uses as much as digits as its factorization.

401255303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 401255303 is about 20031.3579919086. The cubic root of 401255303 is about 737.5762574791.

The spelling of 401255303 in words is "four hundred one million, two hundred fifty-five thousand, three hundred three".