85372253 has 2 divisors, whose sum is σ = 85372254. Its totient is φ = 85372252.

The previous prime is 85372247. The next prime is 85372279. The reversal of 85372253 is 35227358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45657049 + 39715204 = 6757^2 + 6302^2 .

It is a cyclic number.

It is not a de Polignac number, because 85372253 - 2¹⁶ = 85306717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85372753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42686126 + 42686127.

It is an arithmetic number, because the mean of its divisors is an integer number (42686127).

Almost surely, 2^85372253 is an apocalyptic number.

It is an amenable number.

85372253 is a deficient number, since it is larger than the sum of its proper divisors (1).

85372253 is an equidigital number, since it uses as much as digits as its factorization.

85372253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 85372253 is about 9239.7106556428. The cubic root of 85372253 is about 440.3238885898.

The spelling of 85372253 in words is "eighty-five million, three hundred seventy-two thousand, two hundred fifty-three".