413151221 has 24 divisors (see below), whose sum is σ = 503912256. Its totient is φ = 331752960.

The previous prime is 413151203. The next prime is 413151259. The reversal of 413151221 is 122151314.

It is a de Polignac number, because none of the positive numbers 2^k-413151221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 413151193 and 413151202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413151121) 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, 669305 + ... + 669921.

It is an arithmetic number, because the mean of its divisors is an integer number (20996344).

Almost surely, 2^413151221 is an apocalyptic number.

It is an amenable number.

413151221 is a deficient number, since it is larger than the sum of its proper divisors (90761035).

413151221 is a wasteful number, since it uses less digits than its factorization.

413151221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 972 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 413151221 is about 20326.1216418676. The cubic root of 413151221 is about 744.7943044273.

The spelling of 413151221 in words is "four hundred thirteen million, one hundred fifty-one thousand, two hundred twenty-one".