412403309 has 4 divisors (see below), whose sum is σ = 412481916. Its totient is φ = 412324704.

The previous prime is 412403279. The next prime is 412403339. The reversal of 412403309 is 903304214.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (412403279) and next prime (412403339).

It can be written as a sum of positive squares in 2 ways, for example, as 261727684 + 150675625 = 16178^2 + 12275^2 .

It is a cyclic number.

It is not a de Polignac number, because 412403309 - 2⁸ = 412403053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412403339) 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, 30824 + ... + 42129.

It is an arithmetic number, because the mean of its divisors is an integer number (103120479).

Almost surely, 2^412403309 is an apocalyptic number.

It is an amenable number.

412403309 is a deficient number, since it is larger than the sum of its proper divisors (78607).

412403309 is an equidigital number, since it uses as much as digits as its factorization.

412403309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78606.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 412403309 is about 20307.7155042117. The cubic root of 412403309 is about 744.3446086600.

The spelling of 412403309 in words is "four hundred twelve million, four hundred three thousand, three hundred nine".