401411521 has 8 divisors (see below), whose sum is σ = 461159424. Its totient is φ = 342264480.

The previous prime is 401411509. The next prime is 401411551. The reversal of 401411521 is 125114104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401411521 - 2⁷ = 401411393 is a prime.

It is a super-2 number, since 2×401411521² = 322262418383066882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401411501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148780 + ... + 151453.

It is an arithmetic number, because the mean of its divisors is an integer number (57644928).

Almost surely, 2^401411521 is an apocalyptic number.

It is an amenable number.

401411521 is a deficient number, since it is larger than the sum of its proper divisors (59747903).

401411521 is a wasteful number, since it uses less digits than its factorization.

401411521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300431.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 401411521 is about 20035.2569486892. The cubic root of 401411521 is about 737.6719635771.

Adding to 401411521 its reverse (125114104), we get a palindrome (526525625).

The spelling of 401411521 in words is "four hundred one million, four hundred eleven thousand, five hundred twenty-one".