85492291 has 2 divisors, whose sum is σ = 85492292. Its totient is φ = 85492290.

The previous prime is 85492223. The next prime is 85492301. The reversal of 85492291 is 19229458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85492291 - 2¹³ = 85484099 is a prime.

It is not a weakly prime, because it can be changed into another prime (85492691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42746145 + 42746146.

It is an arithmetic number, because the mean of its divisors is an integer number (42746146).

Almost surely, 2^85492291 is an apocalyptic number.

85492291 is a deficient number, since it is larger than the sum of its proper divisors (1).

85492291 is an equidigital number, since it uses as much as digits as its factorization.

85492291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 85492291 is about 9246.2041400782. The cubic root of 85492291 is about 440.5301650001.

The spelling of 85492291 in words is "eighty-five million, four hundred ninety-two thousand, two hundred ninety-one".