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197082253 is a prime number
BaseRepresentation
bin10111011111100…
…11110010001101
3111201211211000201
423233303302031
5400423113003
631320053501
74612112554
oct1357636215
9451754021
10197082253
11a127a8a5
1256004291
1331aa5224
141c262d9b
151247eb1d
hexbbf3c8d

197082253 has 2 divisors, whose sum is σ = 197082254. Its totient is φ = 197082252.

The previous prime is 197082251. The next prime is 197082293. The reversal of 197082253 is 352280791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158306724 + 38775529 = 12582^2 + 6227^2 .

It is a cyclic number.

It is not a de Polignac number, because 197082253 - 21 = 197082251 is a prime.

Together with 197082251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197082251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98541126 + 98541127.

It is an arithmetic number, because the mean of its divisors is an integer number (98541127).

Almost surely, 2197082253 is an apocalyptic number.

It is an amenable number.

197082253 is a deficient number, since it is larger than the sum of its proper divisors (1).

197082253 is an equidigital number, since it uses as much as digits as its factorization.

197082253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 197082253 is about 14038.5986836294. The cubic root of 197082253 is about 581.9457570794.

The spelling of 197082253 in words is "one hundred ninety-seven million, eighty-two thousand, two hundred fifty-three".