413403021 has 24 divisors (see below), whose sum is σ = 630957600. Its totient is φ = 270393552.

The previous prime is 413403017. The next prime is 413403043. The reversal of 413403021 is 120304314.

It is not a de Polignac number, because 413403021 - 2² = 413403017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 413402985 and 413403003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413403061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3171 + ... + 28928.

It is an arithmetic number, because the mean of its divisors is an integer number (26289900).

Almost surely, 2^413403021 is an apocalyptic number.

It is an amenable number.

413403021 is a deficient number, since it is larger than the sum of its proper divisors (217554579).

413403021 is an equidigital number, since it uses as much as digits as its factorization.

413403021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32167 (or 32155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 413403021 is about 20332.3146985285. The cubic root of 413403021 is about 744.9455816594.

Adding to 413403021 its reverse (120304314), we get a palindrome (533707335).

The spelling of 413403021 in words is "four hundred thirteen million, four hundred three thousand, twenty-one".