85433137 has 2 divisors, whose sum is σ = 85433138. Its totient is φ = 85433136.

The previous prime is 85433113. The next prime is 85433221. The reversal of 85433137 is 73133458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69822736 + 15610401 = 8356^2 + 3951^2 .

It is a cyclic number.

It is not a de Polignac number, because 85433137 - 2¹⁵ = 85400369 is a prime.

It is not a weakly prime, because it can be changed into another prime (85433237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42716568 + 42716569.

It is an arithmetic number, because the mean of its divisors is an integer number (42716569).

Almost surely, 2^85433137 is an apocalyptic number.

It is an amenable number.

85433137 is a deficient number, since it is larger than the sum of its proper divisors (1).

85433137 is an equidigital number, since it uses as much as digits as its factorization.

85433137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 85433137 is about 9243.0047603580. The cubic root of 85433137 is about 440.4285373809.

The spelling of 85433137 in words is "eighty-five million, four hundred thirty-three thousand, one hundred thirty-seven".