10730257 has 2 divisors, whose sum is σ = 10730258. Its totient is φ = 10730256.

The previous prime is 10730249. The next prime is 10730267. The reversal of 10730257 is 75203701.

10730257 is digitally balanced in base 2 and base 3, because in such bases 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., 8346321 + 2383936 = 2889^2 + 1544^2 .

It is a cyclic number.

It is not a de Polignac number, because 10730257 - 2³ = 10730249 is a prime.

It is not a weakly prime, because it can be changed into another prime (10730227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5365128 + 5365129.

It is an arithmetic number, because the mean of its divisors is an integer number (5365129).

Almost surely, 2^10730257 is an apocalyptic number.

It is an amenable number.

10730257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10730257 is an equidigital number, since it uses as much as digits as its factorization.

10730257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 10730257 is about 3275.7070992383. The cubic root of 10730257 is about 220.5650557130.

Adding to 10730257 its reverse (75203701), we get a palindrome (85933958).

The spelling of 10730257 in words is "ten million, seven hundred thirty thousand, two hundred fifty-seven".