401530159 has 4 divisors (see below), whose sum is σ = 418988016. Its totient is φ = 384072304.

The previous prime is 401530147. The next prime is 401530163. The reversal of 401530159 is 951035104.

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

It is a cyclic number.

It is not a de Polignac number, because 401530159 - 2⁵ = 401530127 is a prime.

It is a super-2 number, since 2×401530159² = 322452937173130562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401530109) 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, 8728894 + ... + 8728939.

It is an arithmetic number, because the mean of its divisors is an integer number (104747004).

Almost surely, 2^401530159 is an apocalyptic number.

401530159 is a deficient number, since it is larger than the sum of its proper divisors (17457857).

401530159 is a wasteful number, since it uses less digits than its factorization.

401530159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17457856.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 401530159 is about 20038.2174606426. The cubic root of 401530159 is about 737.7446299069.

The spelling of 401530159 in words is "four hundred one million, five hundred thirty thousand, one hundred fifty-nine".