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52660291 is a prime number
BaseRepresentation
bin1100100011100…
…0100001000011
310200002102100011
43020320201003
5101440112131
65120405351
71206414355
oct310704103
9120072304
1052660291
11277a8502
1215776857
13abaa248
146dcb0d5
1549530b1
hex3238843

52660291 has 2 divisors, whose sum is σ = 52660292. Its totient is φ = 52660290.

The previous prime is 52660253. The next prime is 52660313. The reversal of 52660291 is 19206625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52660291 - 217 = 52529219 is a prime.

It is not a weakly prime, because it can be changed into another prime (52660211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26330145 + 26330146.

It is an arithmetic number, because the mean of its divisors is an integer number (26330146).

Almost surely, 252660291 is an apocalyptic number.

52660291 is a deficient number, since it is larger than the sum of its proper divisors (1).

52660291 is an equidigital number, since it uses as much as digits as its factorization.

52660291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 52660291 is about 7256.7410729611. The cubic root of 52660291 is about 374.8243111835.

The spelling of 52660291 in words is "fifty-two million, six hundred sixty thousand, two hundred ninety-one".