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553470257 is a prime number
BaseRepresentation
bin100000111111010…
…100100100110001
31102120110012110102
4200333110210301
52113142022012
6130530442145
716500263624
oct4077244461
91376405412
10553470257
1126446843a
12135433355
138a886bc2
1453713dbb
15338cb2c2
hex20fd4931

553470257 has 2 divisors, whose sum is σ = 553470258. Its totient is φ = 553470256.

The previous prime is 553470227. The next prime is 553470259. The reversal of 553470257 is 752074355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320266816 + 233203441 = 17896^2 + 15271^2 .

It is a cyclic number.

It is not a de Polignac number, because 553470257 - 210 = 553469233 is a prime.

Together with 553470259, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553470257.

It is not a weakly prime, because it can be changed into another prime (553470259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276735128 + 276735129.

It is an arithmetic number, because the mean of its divisors is an integer number (276735129).

Almost surely, 2553470257 is an apocalyptic number.

It is an amenable number.

553470257 is a deficient number, since it is larger than the sum of its proper divisors (1).

553470257 is an equidigital number, since it uses as much as digits as its factorization.

553470257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147000, while the sum is 38.

The square root of 553470257 is about 23525.9485887392. The cubic root of 553470257 is about 821.0408441480.

The spelling of 553470257 in words is "five hundred fifty-three million, four hundred seventy thousand, two hundred fifty-seven".