85970233 has 2 divisors, whose sum is σ = 85970234. Its totient is φ = 85970232.

The previous prime is 85970221. The next prime is 85970267. The reversal of 85970233 is 33207958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70509609 + 15460624 = 8397^2 + 3932^2 .

It is a cyclic number.

It is not a de Polignac number, because 85970233 - 2¹⁷ = 85839161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85970192 and 85970201.

It is not a weakly prime, because it can be changed into another prime (85970333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42985116 + 42985117.

It is an arithmetic number, because the mean of its divisors is an integer number (42985117).

Almost surely, 2^85970233 is an apocalyptic number.

It is an amenable number.

85970233 is a deficient number, since it is larger than the sum of its proper divisors (1).

85970233 is an equidigital number, since it uses as much as digits as its factorization.

85970233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 85970233 is about 9272.0134275140. The cubic root of 85970233 is about 441.3495633574.

The spelling of 85970233 in words is "eighty-five million, nine hundred seventy thousand, two hundred thirty-three".