10620949 has 2 divisors, whose sum is σ = 10620950. Its totient is φ = 10620948.

The previous prime is 10620947. The next prime is 10620959. The reversal of 10620949 is 94902601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5846724 + 4774225 = 2418^2 + 2185^2 .

It is an emirp because it is prime and its reverse (94902601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10620949 - 2¹ = 10620947 is a prime.

It is a super-2 number, since 2×10620949² = 225609115321202, which contains 22 as substring.

Together with 10620947, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10620949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10620947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310474 + 5310475.

It is an arithmetic number, because the mean of its divisors is an integer number (5310475).

Almost surely, 2^10620949 is an apocalyptic number.

It is an amenable number.

10620949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10620949 is an equidigital number, since it uses as much as digits as its factorization.

10620949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 10620949 is about 3258.9797483262. The cubic root of 10620949 is about 219.8135403590.

The spelling of 10620949 in words is "ten million, six hundred twenty thousand, nine hundred forty-nine".