85067513 has 2 divisors, whose sum is σ = 85067514. Its totient is φ = 85067512.

The previous prime is 85067483. The next prime is 85067537. The reversal of 85067513 is 31576058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56370064 + 28697449 = 7508^2 + 5357^2 .

It is a cyclic number.

It is not a de Polignac number, because 85067513 - 2⁶ = 85067449 is a prime.

It is not a weakly prime, because it can be changed into another prime (85067573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42533756 + 42533757.

It is an arithmetic number, because the mean of its divisors is an integer number (42533757).

Almost surely, 2^85067513 is an apocalyptic number.

It is an amenable number.

85067513 is a deficient number, since it is larger than the sum of its proper divisors (1).

85067513 is an equidigital number, since it uses as much as digits as its factorization.

85067513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 85067513 is about 9223.2051370443. The cubic root of 85067513 is about 439.7993454923.

The spelling of 85067513 in words is "eighty-five million, sixty-seven thousand, five hundred thirteen".