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61834897 is a prime number
BaseRepresentation
bin1110101111100…
…0011010010001
311022100112112101
43223320122101
5111312204042
610045200401
71350405445
oct353703221
9138315471
1061834897
11319a4523
1218860101
13ca701c7
1482d8825
1556666b7
hex3af8691

61834897 has 2 divisors, whose sum is σ = 61834898. Its totient is φ = 61834896.

The previous prime is 61834867. The next prime is 61834909. The reversal of 61834897 is 79843816.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35712576 + 26122321 = 5976^2 + 5111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61834897 is a prime.

It is not a weakly prime, because it can be changed into another prime (61834837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30917448 + 30917449.

It is an arithmetic number, because the mean of its divisors is an integer number (30917449).

Almost surely, 261834897 is an apocalyptic number.

It is an amenable number.

61834897 is a deficient number, since it is larger than the sum of its proper divisors (1).

61834897 is an equidigital number, since it uses as much as digits as its factorization.

61834897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 61834897 is about 7863.5168340889. The cubic root of 61834897 is about 395.4375261928.

The spelling of 61834897 in words is "sixty-one million, eight hundred thirty-four thousand, eight hundred ninety-seven".