412612621 has 4 divisors (see below), whose sum is σ = 413440000. Its totient is φ = 411785244.

The previous prime is 412612619. The next prime is 412612639. The reversal of 412612621 is 126216214.

It is a happy number.

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 412612621 - 2¹ = 412612619 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 (412616621) 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, 412941 + ... + 413938.

It is an arithmetic number, because the mean of its divisors is an integer number (103360000).

Almost surely, 2^412612621 is an apocalyptic number.

It is an amenable number.

412612621 is a deficient number, since it is larger than the sum of its proper divisors (827379).

412612621 is an equidigital number, since it uses as much as digits as its factorization.

412612621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827378.

The product of its digits is 1152, while the sum is 25.

The square root of 412612621 is about 20312.8683597369. The cubic root of 412612621 is about 744.4705160782.

Adding to 412612621 its reverse (126216214), we get a palindrome (538828835).

The spelling of 412612621 in words is "four hundred twelve million, six hundred twelve thousand, six hundred twenty-one".