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553005247 is a prime number
BaseRepresentation
bin100000111101100…
…011000010111111
31102112120120120211
4200331203002333
52113032131442
6130512453251
716463316124
oct4075430277
91375516524
10553005247
11264180033
1213524a227
138a753352
145363274b
1533838617
hex20f630bf

553005247 has 2 divisors, whose sum is σ = 553005248. Its totient is φ = 553005246.

The previous prime is 553005239. The next prime is 553005283. The reversal of 553005247 is 742500355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553005247 - 23 = 553005239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553005217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276502623 + 276502624.

It is an arithmetic number, because the mean of its divisors is an integer number (276502624).

Almost surely, 2553005247 is an apocalyptic number.

553005247 is a deficient number, since it is larger than the sum of its proper divisors (1).

553005247 is an equidigital number, since it uses as much as digits as its factorization.

553005247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 553005247 is about 23516.0635949132. The cubic root of 553005247 is about 820.8108413178.

The spelling of 553005247 in words is "five hundred fifty-three million, five thousand, two hundred forty-seven".