10501649 has 2 divisors, whose sum is σ = 10501650. Its totient is φ = 10501648.

The previous prime is 10501643. The next prime is 10501651. The reversal of 10501649 is 94610501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 4276624 = 2495^2 + 2068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10501649 is a prime.

It is a super-2 number, since 2×10501649² = 220569263438402, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 10501651, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10501643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250824 + 5250825.

It is an arithmetic number, because the mean of its divisors is an integer number (5250825).

Almost surely, 2^10501649 is an apocalyptic number.

It is an amenable number.

10501649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10501649 is an equidigital number, since it uses as much as digits as its factorization.

10501649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10501649 is about 3240.6247854388. The cubic root of 10501649 is about 218.9874196119.

The spelling of 10501649 in words is "ten million, five hundred one thousand, six hundred forty-nine".