412621213 has 4 divisors (see below), whose sum is σ = 412670268. Its totient is φ = 412572160.

The previous prime is 412621189. The next prime is 412621217. The reversal of 412621213 is 312126214.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 312126214 = 2 ⋅156063107.

It can be written as a sum of positive squares in 2 ways, for example, as 254817369 + 157803844 = 15963^2 + 12562^2 .

It is a cyclic number.

It is not a de Polignac number, because 412621213 - 2²⁵ = 379066781 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 (412621217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8356 + ... + 29917.

It is an arithmetic number, because the mean of its divisors is an integer number (103167567).

Almost surely, 2^412621213 is an apocalyptic number.

It is an amenable number.

412621213 is a deficient number, since it is larger than the sum of its proper divisors (49055).

412621213 is a wasteful number, since it uses less digits than its factorization.

412621213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49054.

The product of its digits is 576, while the sum is 22.

The square root of 412621213 is about 20313.0798501852. The cubic root of 412621213 is about 744.4756835129.

Adding to 412621213 its reverse (312126214), we get a palindrome (724747427).

The spelling of 412621213 in words is "four hundred twelve million, six hundred twenty-one thousand, two hundred thirteen".