85245137 has 2 divisors, whose sum is σ = 85245138. Its totient is φ = 85245136.

The previous prime is 85245119. The next prime is 85245203. The reversal of 85245137 is 73154258.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81018001 + 4227136 = 9001^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 85245137 - 2⁶ = 85245073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85245097 and 85245106.

It is not a weakly prime, because it can be changed into another prime (85245037) 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, 42622568 + 42622569.

It is an arithmetic number, because the mean of its divisors is an integer number (42622569).

Almost surely, 2^85245137 is an apocalyptic number.

It is an amenable number.

85245137 is a deficient number, since it is larger than the sum of its proper divisors (1).

85245137 is an equidigital number, since it uses as much as digits as its factorization.

85245137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 85245137 is about 9232.8293063394. The cubic root of 85245137 is about 440.1052382571.

The spelling of 85245137 in words is "eighty-five million, two hundred forty-five thousand, one hundred thirty-seven".