2412621 has 6 divisors (see below), whose sum is σ = 3484910. Its totient is φ = 1608408.

The previous prime is 2412617. The next prime is 2412629. The reversal of 2412621 is 1262142.

2412621 is a `hidden beast` number, since 2 + 41 + 2 + 621 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 44100 = 1539^2 + 210^2 .

It is not a de Polignac number, because 2412621 - 2² = 2412617 is a prime.

It is a Duffinian number.

2412621 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2412594 and 2412603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2412629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134026 + ... + 134043.

2^2412621 is an apocalyptic number.

It is an amenable number.

2412621 is a deficient number, since it is larger than the sum of its proper divisors (1072289).

2412621 is a wasteful number, since it uses less digits than its factorization.

2412621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268075 (or 268072 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2412621 is about 1553.2614074907. The cubic root of 2412621 is about 134.1208718536.

Adding to 2412621 its reverse (1262142), we get a palindrome (3674763).

The spelling of 2412621 in words is "two million, four hundred twelve thousand, six hundred twenty-one".