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61970567 is a prime number
BaseRepresentation
bin1110110001100…
…1100010000111
311022121102122012
43230121202013
5111331024232
610052124435
71351512131
oct354314207
9138542565
1061970567
1131a8744a
121890671b
13cab9b99
148332051
1556919b2
hex3b19887

61970567 has 2 divisors, whose sum is σ = 61970568. Its totient is φ = 61970566.

The previous prime is 61970561. The next prime is 61970603. The reversal of 61970567 is 76507916.

61970567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61970567 - 222 = 57776263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61970561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30985283 + 30985284.

It is an arithmetic number, because the mean of its divisors is an integer number (30985284).

Almost surely, 261970567 is an apocalyptic number.

61970567 is a deficient number, since it is larger than the sum of its proper divisors (1).

61970567 is an equidigital number, since it uses as much as digits as its factorization.

61970567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 61970567 is about 7872.1386547748. The cubic root of 61970567 is about 395.7265206118.

The spelling of 61970567 in words is "sixty-one million, nine hundred seventy thousand, five hundred sixty-seven".