85024253 has 4 divisors (see below), whose sum is σ = 85090908. Its totient is φ = 84957600.

The previous prime is 85024249. The next prime is 85024267. The reversal of 85024253 is 35242058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29997529 + 55026724 = 5477^2 + 7418^2 .

It is a cyclic number.

It is not a de Polignac number, because 85024253 - 2² = 85024249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85024553) 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, 31376 + ... + 33977.

It is an arithmetic number, because the mean of its divisors is an integer number (21272727).

Almost surely, 2^85024253 is an apocalyptic number.

It is an amenable number.

85024253 is a deficient number, since it is larger than the sum of its proper divisors (66655).

85024253 is a wasteful number, since it uses less digits than its factorization.

85024253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66654.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 85024253 is about 9220.8596670809. The cubic root of 85024253 is about 439.7247813999.

The spelling of 85024253 in words is "eighty-five million, twenty-four thousand, two hundred fifty-three".