10508621 has 2 divisors, whose sum is σ = 10508622. Its totient is φ = 10508620.

The previous prime is 10508611. The next prime is 10508623. The reversal of 10508621 is 12680501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6056521 + 4452100 = 2461^2 + 2110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10508621 is a prime.

It is a super-2 number, since 2×10508621² = 220862230643282, which contains 22 as substring.

Together with 10508623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10508623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5254310 + 5254311.

It is an arithmetic number, because the mean of its divisors is an integer number (5254311).

Almost surely, 2^10508621 is an apocalyptic number.

It is an amenable number.

10508621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10508621 is an equidigital number, since it uses as much as digits as its factorization.

10508621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 10508621 is about 3241.7003254465. The cubic root of 10508621 is about 219.0358704961.

The spelling of 10508621 in words is "ten million, five hundred eight thousand, six hundred twenty-one".