85256267 has 2 divisors, whose sum is σ = 85256268. Its totient is φ = 85256266.

The previous prime is 85256233. The next prime is 85256291. The reversal of 85256267 is 76265258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85256267 - 2⁸ = 85256011 is a prime.

It is not a weakly prime, because it can be changed into another prime (85256767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42628133 + 42628134.

It is an arithmetic number, because the mean of its divisors is an integer number (42628134).

Almost surely, 2^85256267 is an apocalyptic number.

85256267 is a deficient number, since it is larger than the sum of its proper divisors (1).

85256267 is an equidigital number, since it uses as much as digits as its factorization.

85256267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 41.

The square root of 85256267 is about 9233.4320271500. The cubic root of 85256267 is about 440.1243914831.

The spelling of 85256267 in words is "eighty-five million, two hundred fifty-six thousand, two hundred sixty-seven".