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252501097 is a prime number
BaseRepresentation
bin11110000110011…
…01110001101001
3122121010101101111
433003031301221
51004120013342
641015550321
76154136542
oct1703156151
9577111344
10252501097
1111a5918a2
127068b3a1
1340409c44
142576b4c9
151727a217
hexf0cdc69

252501097 has 2 divisors, whose sum is σ = 252501098. Its totient is φ = 252501096.

The previous prime is 252501079. The next prime is 252501121. The reversal of 252501097 is 790105252.

Together with previous prime (252501079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210134016 + 42367081 = 14496^2 + 6509^2 .

It is a cyclic number.

It is not a de Polignac number, because 252501097 - 227 = 118283369 is a prime.

It is not a weakly prime, because it can be changed into another prime (252501037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126250548 + 126250549.

It is an arithmetic number, because the mean of its divisors is an integer number (126250549).

Almost surely, 2252501097 is an apocalyptic number.

It is an amenable number.

252501097 is a deficient number, since it is larger than the sum of its proper divisors (1).

252501097 is an equidigital number, since it uses as much as digits as its factorization.

252501097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 252501097 is about 15890.2831000583. The cubic root of 252501097 is about 632.0543477605.

The spelling of 252501097 in words is "two hundred fifty-two million, five hundred one thousand, ninety-seven".