106604621 has 2 divisors, whose sum is σ = 106604622. Its totient is φ = 106604620.

The previous prime is 106604593. The next prime is 106604627. The reversal of 106604621 is 126406601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103815721 + 2788900 = 10189^2 + 1670^2 .

It is a cyclic number.

It is not a de Polignac number, because 106604621 - 2⁶ = 106604557 is a prime.

It is a super-2 number, since 2×106604621² = 22729090437107282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106604627) 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 as a sum of consecutive naturals, namely, 53302310 + 53302311.

It is an arithmetic number, because the mean of its divisors is an integer number (53302311).

Almost surely, 2^106604621 is an apocalyptic number.

It is an amenable number.

106604621 is a deficient number, since it is larger than the sum of its proper divisors (1).

106604621 is an equidigital number, since it uses as much as digits as its factorization.

106604621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 106604621 is about 10324.9513800308. The cubic root of 106604621 is about 474.1604686735.

The spelling of 106604621 in words is "one hundred six million, six hundred four thousand, six hundred twenty-one".