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97000019 is a prime number
BaseRepresentation
bin1011100100000…
…01101001010011
320202112010000022
411302001221103
5144313000034
613343014055
72255325614
oct562015123
9222463008
1097000019
114a832606
122859a32b
131713317c
14cc4dc0b
1587b0b2e
hex5c81a53

97000019 has 2 divisors, whose sum is σ = 97000020. Its totient is φ = 97000018.

The previous prime is 97000003. The next prime is 97000021. The reversal of 97000019 is 91000079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97000019 - 24 = 97000003 is a prime.

It is a super-2 number, since 2×970000192 = 18818007372000722, which contains 22 as substring.

Together with 97000021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97003019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48500009 + 48500010.

It is an arithmetic number, because the mean of its divisors is an integer number (48500010).

Almost surely, 297000019 is an apocalyptic number.

97000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

97000019 is an equidigital number, since it uses as much as digits as its factorization.

97000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 97000019 is about 9848.8587663749. The cubic root of 97000019 is about 459.4701192205.

The spelling of 97000019 in words is "ninety-seven million, nineteen", and thus it is an aban number and an uban number.