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52288697 is a prime number
BaseRepresentation
bin1100011101110…
…1110010111001
310122101112121102
43013131302321
5101341214242
65104421145
71203306116
oct307356271
9118345542
1052288697
11275742aa
12156177b5
13aaaa076
146d3190d
1548cce32
hex31ddcb9

52288697 has 2 divisors, whose sum is σ = 52288698. Its totient is φ = 52288696.

The previous prime is 52288679. The next prime is 52288721. The reversal of 52288697 is 79688225.

Together with previous prime (52288679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32672656 + 19616041 = 5716^2 + 4429^2 .

It is a cyclic number.

It is not a de Polignac number, because 52288697 - 26 = 52288633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52288297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26144348 + 26144349.

It is an arithmetic number, because the mean of its divisors is an integer number (26144349).

Almost surely, 252288697 is an apocalyptic number.

It is an amenable number.

52288697 is a deficient number, since it is larger than the sum of its proper divisors (1).

52288697 is an equidigital number, since it uses as much as digits as its factorization.

52288697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 52288697 is about 7231.0923794403. The cubic root of 52288697 is about 373.9405879488.

The spelling of 52288697 in words is "fifty-two million, two hundred eighty-eight thousand, six hundred ninety-seven".