85247051 has 2 divisors, whose sum is σ = 85247052. Its totient is φ = 85247050.

The previous prime is 85247033. The next prime is 85247069. The reversal of 85247051 is 15074258.

It is a balanced prime because it is at equal distance from previous prime (85247033) and next prime (85247069).

It is a cyclic number.

It is not a de Polignac number, because 85247051 - 2¹⁴ = 85230667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85246999 and 85247017.

It is not a weakly prime, because it can be changed into another prime (85247081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42623525 + 42623526.

It is an arithmetic number, because the mean of its divisors is an integer number (42623526).

Almost surely, 2^85247051 is an apocalyptic number.

85247051 is a deficient number, since it is larger than the sum of its proper divisors (1).

85247051 is an equidigital number, since it uses as much as digits as its factorization.

85247051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 85247051 is about 9232.9329576251. The cubic root of 85247051 is about 440.1085321111.

The spelling of 85247051 in words is "eighty-five million, two hundred forty-seven thousand, fifty-one".