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554200397 is a prime number
BaseRepresentation
bin100001000010000…
…110110101001101
31102121211022000122
4201002012311031
52113333403042
6130554234325
716506424412
oct4102066515
91377738018
10554200397
11264916a63
121357259a5
138aa8133a
1453864109
15339c27d2
hex21086d4d

554200397 has 2 divisors, whose sum is σ = 554200398. Its totient is φ = 554200396.

The previous prime is 554200373. The next prime is 554200399. The reversal of 554200397 is 793002455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546904996 + 7295401 = 23386^2 + 2701^2 .

It is a cyclic number.

It is not a de Polignac number, because 554200397 - 26 = 554200333 is a prime.

Together with 554200399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554200399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277100198 + 277100199.

It is an arithmetic number, because the mean of its divisors is an integer number (277100199).

Almost surely, 2554200397 is an apocalyptic number.

It is an amenable number.

554200397 is a deficient number, since it is larger than the sum of its proper divisors (1).

554200397 is an equidigital number, since it uses as much as digits as its factorization.

554200397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 554200397 is about 23541.4612333219. The cubic root of 554200397 is about 821.4017255369.

The spelling of 554200397 in words is "five hundred fifty-four million, two hundred thousand, three hundred ninety-seven".