411321945 has 16 divisors (see below), whose sum is σ = 662310720. Its totient is φ = 217973184.

The previous prime is 411321943. The next prime is 411321959. The reversal of 411321945 is 549123114.

It is not a de Polignac number, because 411321945 - 2¹ = 411321943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (411321941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84975 + ... + 89684.

It is an arithmetic number, because the mean of its divisors is an integer number (41394420).

Almost surely, 2^411321945 is an apocalyptic number.

It is an amenable number.

411321945 is a deficient number, since it is larger than the sum of its proper divisors (250988775).

411321945 is a wasteful number, since it uses less digits than its factorization.

411321945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174824.

The product of its digits is 4320, while the sum is 30.

The square root of 411321945 is about 20281.0735662588. The cubic root of 411321945 is about 743.6934564269.

The spelling of 411321945 in words is "four hundred eleven million, three hundred twenty-one thousand, nine hundred forty-five".