401521034 has 8 divisors (see below), whose sum is σ = 633980640. Its totient is φ = 190194156.

The previous prime is 401521033. The next prime is 401521039. The reversal of 401521034 is 430125104.

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

It is a super-2 number, since 2×401521034² = 322438281488858312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401520997 and 401521015.

It is not an unprimeable number, because it can be changed into a prime (401521033) 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, 5283134 + ... + 5283209.

It is an arithmetic number, because the mean of its divisors is an integer number (79247580).

Almost surely, 2^401521034 is an apocalyptic number.

401521034 is a deficient number, since it is larger than the sum of its proper divisors (232459606).

401521034 is a wasteful number, since it uses less digits than its factorization.

401521034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566364.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401521034 is about 20037.9897694355. The cubic root of 401521034 is about 737.7390413099.

Adding to 401521034 its reverse (430125104), we get a palindrome (831646138).

The spelling of 401521034 in words is "four hundred one million, five hundred twenty-one thousand, thirty-four".