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39230561 is a prime number
BaseRepresentation
bin1001010110100…
…1110001100001
32201211010012202
42111221301201
540020334221
63520502545
7654311546
oct225516141
981733182
1039230561
1120165557
121117aa55
138187566
1452d2bcd
15369dd0b
hex2569c61

39230561 has 2 divisors, whose sum is σ = 39230562. Its totient is φ = 39230560.

The previous prime is 39230539. The next prime is 39230599. The reversal of 39230561 is 16503293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39137536 + 93025 = 6256^2 + 305^2 .

It is an emirp because it is prime and its reverse (16503293) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-39230561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39230501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19615280 + 19615281.

It is an arithmetic number, because the mean of its divisors is an integer number (19615281).

Almost surely, 239230561 is an apocalyptic number.

It is an amenable number.

39230561 is a deficient number, since it is larger than the sum of its proper divisors (1).

39230561 is an equidigital number, since it uses as much as digits as its factorization.

39230561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 39230561 is about 6263.4304498414. The cubic root of 39230561 is about 339.7881061492.

The spelling of 39230561 in words is "thirty-nine million, two hundred thirty thousand, five hundred sixty-one".