10108621 has 2 divisors, whose sum is σ = 10108622. Its totient is φ = 10108620.

The previous prime is 10108613. The next prime is 10108633. The reversal of 10108621 is 12680101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9523396 + 585225 = 3086^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 10108621 - 2³ = 10108613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10108601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054310 + 5054311.

It is an arithmetic number, because the mean of its divisors is an integer number (5054311).

Almost surely, 2^10108621 is an apocalyptic number.

It is an amenable number.

10108621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10108621 is an equidigital number, since it uses as much as digits as its factorization.

10108621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 10108621 is about 3179.4057620883. The cubic root of 10108621 is about 216.2207177431.

Adding to 10108621 its reverse (12680101), we get a palindrome (22788722).

The spelling of 10108621 in words is "ten million, one hundred eight thousand, six hundred twenty-one".