85683253 has 2 divisors, whose sum is σ = 85683254. Its totient is φ = 85683252.

The previous prime is 85683251. The next prime is 85683259. The reversal of 85683253 is 35238658.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47032164 + 38651089 = 6858^2 + 6217^2 .

It is a cyclic number.

It is not a de Polignac number, because 85683253 - 2¹ = 85683251 is a prime.

Together with 85683251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85683251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42841626 + 42841627.

It is an arithmetic number, because the mean of its divisors is an integer number (42841627).

Almost surely, 2^85683253 is an apocalyptic number.

It is an amenable number.

85683253 is a deficient number, since it is larger than the sum of its proper divisors (1).

85683253 is an equidigital number, since it uses as much as digits as its factorization.

85683253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 85683253 is about 9256.5248878831. The cubic root of 85683253 is about 440.8579215046.

The spelling of 85683253 in words is "eighty-five million, six hundred eighty-three thousand, two hundred fifty-three".