10508989 has 2 divisors, whose sum is σ = 10508990. Its totient is φ = 10508988.

The previous prime is 10508977. The next prime is 10509013. The reversal of 10508989 is 98980501.

10508989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9406489 + 1102500 = 3067^2 + 1050^2 .

It is an emirp because it is prime and its reverse (98980501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10508989 - 2¹⁹ = 9984701 is a prime.

It is a super-2 number, since 2×10508989² = 220877699604242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10508909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5254494 + 5254495.

It is an arithmetic number, because the mean of its divisors is an integer number (5254495).

Almost surely, 2^10508989 is an apocalyptic number.

It is an amenable number.

10508989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10508989 is an equidigital number, since it uses as much as digits as its factorization.

10508989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 10508989 is about 3241.7570852857. The cubic root of 10508989 is about 219.0384272623.

The spelling of 10508989 in words is "ten million, five hundred eight thousand, nine hundred eighty-nine".