401151305 has 4 divisors (see below), whose sum is σ = 481381572. Its totient is φ = 320921040.

The previous prime is 401151293. The next prime is 401151307. The reversal of 401151305 is 503151104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74373376 + 326777929 = 8624^2 + 18077^2 .

It is not a de Polignac number, because 401151305 - 2⁶ = 401151241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401151307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40115126 + ... + 40115135.

It is an arithmetic number, because the mean of its divisors is an integer number (120345393).

Almost surely, 2^401151305 is an apocalyptic number.

It is an amenable number.

401151305 is a deficient number, since it is larger than the sum of its proper divisors (80230267).

401151305 is an equidigital number, since it uses as much as digits as its factorization.

401151305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80230266.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 401151305 is about 20028.7619437648. The cubic root of 401151305 is about 737.5125299030.

The spelling of 401151305 in words is "four hundred one million, one hundred fifty-one thousand, three hundred five".