85356253 has 4 divisors (see below), whose sum is σ = 85456480. Its totient is φ = 85256028.

The previous prime is 85356241. The next prime is 85356281. The reversal of 85356253 is 35265358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85356253 - 2¹³ = 85348061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85356233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48825 + ... + 50542.

It is an arithmetic number, because the mean of its divisors is an integer number (21364120).

Almost surely, 2^85356253 is an apocalyptic number.

It is an amenable number.

85356253 is a deficient number, since it is larger than the sum of its proper divisors (100227).

85356253 is an equidigital number, since it uses as much as digits as its factorization.

85356253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100226.

The product of its digits is 108000, while the sum is 37.

The square root of 85356253 is about 9238.8447870932. The cubic root of 85356253 is about 440.2963791742.

The spelling of 85356253 in words is "eighty-five million, three hundred fifty-six thousand, two hundred fifty-three".