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85342801 is a prime number
BaseRepresentation
bin1010001011000…
…11101001010001
312221120212022111
411011203221101
5133321432201
612245105321
72054254555
oct505435121
9187525274
1085342801
11441a0345
12246b8241
13148b11cb
14b497865
15775bb51
hex5163a51

85342801 has 2 divisors, whose sum is σ = 85342802. Its totient is φ = 85342800.

The previous prime is 85342799. The next prime is 85342847. The reversal of 85342801 is 10824358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80568576 + 4774225 = 8976^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 85342801 - 21 = 85342799 is a prime.

Together with 85342799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85342861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42671400 + 42671401.

It is an arithmetic number, because the mean of its divisors is an integer number (42671401).

Almost surely, 285342801 is an apocalyptic number.

It is an amenable number.

85342801 is a deficient number, since it is larger than the sum of its proper divisors (1).

85342801 is an equidigital number, since it uses as much as digits as its factorization.

85342801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 85342801 is about 9238.1167453112. The cubic root of 85342801 is about 440.2732479727.

The spelling of 85342801 in words is "eighty-five million, three hundred forty-two thousand, eight hundred one".