412431521 has 4 divisors (see below), whose sum is σ = 412551600. Its totient is φ = 412311444.

The previous prime is 412431511. The next prime is 412431529. The reversal of 412431521 is 125134214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 412431521 - 2¹⁰ = 412430497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412431529) 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, 54731 + ... + 61808.

It is an arithmetic number, because the mean of its divisors is an integer number (103137900).

Almost surely, 2^412431521 is an apocalyptic number.

It is an amenable number.

412431521 is a deficient number, since it is larger than the sum of its proper divisors (120079).

412431521 is a wasteful number, since it uses less digits than its factorization.

412431521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120078.

The product of its digits is 960, while the sum is 23.

The square root of 412431521 is about 20308.4101051756. The cubic root of 412431521 is about 744.3615815041.

Adding to 412431521 its reverse (125134214), we get a palindrome (537565735).

The spelling of 412431521 in words is "four hundred twelve million, four hundred thirty-one thousand, five hundred twenty-one".