413137621 has 16 divisors (see below), whose sum is σ = 472215744. Its totient is φ = 358066944.

The previous prime is 413137619. The next prime is 413137643. The reversal of 413137621 is 126731314.

It is a cyclic number.

It is not a de Polignac number, because 413137621 - 2¹ = 413137619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 413137621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413137601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101206 + ... + 105208.

It is an arithmetic number, because the mean of its divisors is an integer number (29513484).

Almost surely, 2^413137621 is an apocalyptic number.

It is an amenable number.

413137621 is a deficient number, since it is larger than the sum of its proper divisors (59078123).

413137621 is a wasteful number, since it uses less digits than its factorization.

413137621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500.

The product of its digits is 3024, while the sum is 28.

The square root of 413137621 is about 20325.7870942308. The cubic root of 413137621 is about 744.7861320253.

Adding to 413137621 its reverse (126731314), we get a palindrome (539868935).

The spelling of 413137621 in words is "four hundred thirteen million, one hundred thirty-seven thousand, six hundred twenty-one".