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10251457 is a prime number
BaseRepresentation
bin100111000110…
…110011000001
3201021211100121
4213012303001
510111021312
61003420241
7153064426
oct47066301
921254317
1010251457
115872087
123524681
13217c168
14150bd4d
15d77707
hex9c6cc1

10251457 has 2 divisors, whose sum is σ = 10251458. Its totient is φ = 10251456.

The previous prime is 10251443. The next prime is 10251467. The reversal of 10251457 is 75415201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 1245456 = 3001^2 + 1116^2 .

It is an emirp because it is prime and its reverse (75415201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10251457 - 211 = 10249409 is a prime.

It is not a weakly prime, because it can be changed into another prime (10251407) 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, 5125728 + 5125729.

It is an arithmetic number, because the mean of its divisors is an integer number (5125729).

Almost surely, 210251457 is an apocalyptic number.

It is an amenable number.

10251457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10251457 is an equidigital number, since it uses as much as digits as its factorization.

10251457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 10251457 is about 3201.7896558019. The cubic root of 10251457 is about 217.2343663366.

Adding to 10251457 its reverse (75415201), we get a palindrome (85666658).

The spelling of 10251457 in words is "ten million, two hundred fifty-one thousand, four hundred fifty-seven".