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52210657 is a prime number
BaseRepresentation
bin1100011100101…
…0101111100001
310122020120120001
43013022233201
5101331220112
65103020001
71202532442
oct307125741
9118216501
1052210657
1127520704
121559a601
13aa806a5
146d112c9
1548b4c57
hex31cabe1

52210657 has 2 divisors, whose sum is σ = 52210658. Its totient is φ = 52210656.

The previous prime is 52210619. The next prime is 52210679. The reversal of 52210657 is 75601225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27050401 + 25160256 = 5201^2 + 5016^2 .

It is a cyclic number.

It is not a de Polignac number, because 52210657 - 223 = 43822049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52210607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26105328 + 26105329.

It is an arithmetic number, because the mean of its divisors is an integer number (26105329).

Almost surely, 252210657 is an apocalyptic number.

It is an amenable number.

52210657 is a deficient number, since it is larger than the sum of its proper divisors (1).

52210657 is an equidigital number, since it uses as much as digits as its factorization.

52210657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52210657 is about 7225.6942227028. The cubic root of 52210657 is about 373.7544619774.

The spelling of 52210657 in words is "fifty-two million, two hundred ten thousand, six hundred fifty-seven".