10426257 has 6 divisors (see below), whose sum is σ = 15060162. Its totient is φ = 6950832.

The previous prime is 10426249. The next prime is 10426277. The reversal of 10426257 is 75262401.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 1640961 = 2964^2 + 1281^2 .

It is not a de Polignac number, because 10426257 - 2³ = 10426249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10426257.

It is not an unprimeable number, because it can be changed into a prime (10426217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 579228 + ... + 579245.

It is an arithmetic number, because the mean of its divisors is an integer number (2510027).

Almost surely, 2^10426257 is an apocalyptic number.

It is an amenable number.

10426257 is a deficient number, since it is larger than the sum of its proper divisors (4633905).

10426257 is a wasteful number, since it uses less digits than its factorization.

10426257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158479 (or 1158476 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 10426257 is about 3228.9715080812. The cubic root of 10426257 is about 218.4621190485.

Adding to 10426257 its reverse (75262401), we get a palindrome (85688658).

The spelling of 10426257 in words is "ten million, four hundred twenty-six thousand, two hundred fifty-seven".