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52257697 is a prime number
BaseRepresentation
bin1100011101011…
…0001110100001
310122022222002021
43013112032201
5101334221242
65104021441
71203116542
oct307261641
9118288067
1052257697
1127552a88
1215601881
13aa98c1b
146d244c9
1548c3b67
hex31d63a1

52257697 has 2 divisors, whose sum is σ = 52257698. Its totient is φ = 52257696.

The previous prime is 52257671. The next prime is 52257719. The reversal of 52257697 is 79675225.

52257697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50680161 + 1577536 = 7119^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 52257697 - 215 = 52224929 is a prime.

It is not a weakly prime, because it can be changed into another prime (52257617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26128848 + 26128849.

It is an arithmetic number, because the mean of its divisors is an integer number (26128849).

Almost surely, 252257697 is an apocalyptic number.

It is an amenable number.

52257697 is a deficient number, since it is larger than the sum of its proper divisors (1).

52257697 is an equidigital number, since it uses as much as digits as its factorization.

52257697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 43.

The square root of 52257697 is about 7228.9485404172. The cubic root of 52257697 is about 373.8666749077.

The spelling of 52257697 in words is "fifty-two million, two hundred fifty-seven thousand, six hundred ninety-seven".