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7285253 is a prime number
BaseRepresentation
bin11011110010101000000101
3111201010111012
4123302220011
53331112003
6420052005
7115631543
oct33625005
914633435
107285253
114126578
122534005
131681001
14d78d93
1598d8d8
hex6f2a05

7285253 has 2 divisors, whose sum is σ = 7285254. Its totient is φ = 7285252.

The previous prime is 7285247. The next prime is 7285277. The reversal of 7285253 is 3525827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7171684 + 113569 = 2678^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 7285253 - 24 = 7285237 is a prime.

It is a super-2 number, since 2×72852532 = 106149822548018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7285283) 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, 3642626 + 3642627.

It is an arithmetic number, because the mean of its divisors is an integer number (3642627).

Almost surely, 27285253 is an apocalyptic number.

It is an amenable number.

7285253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7285253 is an equidigital number, since it uses as much as digits as its factorization.

7285253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 7285253 is about 2699.1207827735. The cubic root of 7285253 is about 193.8570261271.

The spelling of 7285253 in words is "seven million, two hundred eighty-five thousand, two hundred fifty-three".