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52581077 is a prime number
BaseRepresentation
bin1100100010010…
…1001011010101
310122221101200022
43020211023111
5101430043302
65114554525
71205634413
oct310451325
9118841608
1052581077
1127753a3a
1215738a45
13ab80183
146daa2b3
1549398a2
hex32252d5

52581077 has 2 divisors, whose sum is σ = 52581078. Its totient is φ = 52581076.

The previous prime is 52581041. The next prime is 52581079. The reversal of 52581077 is 77018525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52432081 + 148996 = 7241^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 52581077 - 210 = 52580053 is a prime.

Together with 52581079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52581079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26290538 + 26290539.

It is an arithmetic number, because the mean of its divisors is an integer number (26290539).

Almost surely, 252581077 is an apocalyptic number.

It is an amenable number.

52581077 is a deficient number, since it is larger than the sum of its proper divisors (1).

52581077 is an equidigital number, since it uses as much as digits as its factorization.

52581077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 52581077 is about 7251.2810592336. The cubic root of 52581077 is about 374.6362742866.

The spelling of 52581077 in words is "fifty-two million, five hundred eighty-one thousand, seventy-seven".