85692449 has 2 divisors, whose sum is σ = 85692450. Its totient is φ = 85692448.

The previous prime is 85692379. The next prime is 85692469. The reversal of 85692449 is 94429658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85692049 + 400 = 9257^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 85692449 - 2¹⁶ = 85626913 is a prime.

It is not a weakly prime, because it can be changed into another prime (85692469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42846224 + 42846225.

It is an arithmetic number, because the mean of its divisors is an integer number (42846225).

Almost surely, 2^85692449 is an apocalyptic number.

It is an amenable number.

85692449 is a deficient number, since it is larger than the sum of its proper divisors (1).

85692449 is an equidigital number, since it uses as much as digits as its factorization.

85692449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 85692449 is about 9257.0216052465. The cubic root of 85692449 is about 440.8736927095.

It can be divided in two parts, 8569 and 2449, that multiplied together give a triangular number (20985481 = T₆₄₇₈).

The spelling of 85692449 in words is "eighty-five million, six hundred ninety-two thousand, four hundred forty-nine".