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34390061 is a prime number
BaseRepresentation
bin1000001100110…
…0000000101101
32101201012021222
42003030000231
532300440221
63225033125
7565211366
oct203140055
971635258
1034390061
1118459842
12b6257a5
137181264
1447d2b6d
1530449ab
hex20cc02d

34390061 has 2 divisors, whose sum is σ = 34390062. Its totient is φ = 34390060.

The previous prime is 34390051. The next prime is 34390063. The reversal of 34390061 is 16009343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27984100 + 6405961 = 5290^2 + 2531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34390061 is a prime.

Together with 34390063, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34390061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34390063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17195030 + 17195031.

It is an arithmetic number, because the mean of its divisors is an integer number (17195031).

Almost surely, 234390061 is an apocalyptic number.

It is an amenable number.

34390061 is a deficient number, since it is larger than the sum of its proper divisors (1).

34390061 is an equidigital number, since it uses as much as digits as its factorization.

34390061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 34390061 is about 5864.3039655188. The cubic root of 34390061 is about 325.1953413436.

The spelling of 34390061 in words is "thirty-four million, three hundred ninety thousand, sixty-one".