412089521 has 4 divisors (see below), whose sum is σ = 412141044. Its totient is φ = 412038000.

The previous prime is 412089497. The next prime is 412089523. The reversal of 412089521 is 125980214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 125980214 = 2 ⋅62990107.

It can be written as a sum of positive squares in 2 ways, for example, as 304677025 + 107412496 = 17455^2 + 10364^2 .

It is a cyclic number.

It is not a de Polignac number, because 412089521 - 2¹⁰ = 412088497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412089523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10910 + ... + 30711.

It is an arithmetic number, because the mean of its divisors is an integer number (103035261).

Almost surely, 2^412089521 is an apocalyptic number.

It is an amenable number.

412089521 is a deficient number, since it is larger than the sum of its proper divisors (51523).

412089521 is an equidigital number, since it uses as much as digits as its factorization.

412089521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51522.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 412089521 is about 20299.9882019670. The cubic root of 412089521 is about 744.1557759773.

The spelling of 412089521 in words is "four hundred twelve million, eighty-nine thousand, five hundred twenty-one".