10662257 has 2 divisors, whose sum is σ = 10662258. Its totient is φ = 10662256.

The previous prime is 10662241. The next prime is 10662259. The reversal of 10662257 is 75226601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7187761 + 3474496 = 2681^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 10662257 - 2⁴ = 10662241 is a prime.

It is a super-2 number, since 2×10662257² = 227367448668098, which contains 22 as substring.

Together with 10662259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10662259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331128 + 5331129.

It is an arithmetic number, because the mean of its divisors is an integer number (5331129).

Almost surely, 2^10662257 is an apocalyptic number.

It is an amenable number.

10662257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10662257 is an equidigital number, since it uses as much as digits as its factorization.

10662257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 10662257 is about 3265.3111643456. The cubic root of 10662257 is about 220.0981449150.

Adding to 10662257 its reverse (75226601), we get a palindrome (85888858).

The spelling of 10662257 in words is "ten million, six hundred sixty-two thousand, two hundred fifty-seven".