85177241 has 2 divisors, whose sum is σ = 85177242. Its totient is φ = 85177240.

The previous prime is 85177231. The next prime is 85177271. The reversal of 85177241 is 14277158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70896400 + 14280841 = 8420^2 + 3779^2 .

It is a cyclic number.

It is not a de Polignac number, because 85177241 - 2¹⁴ = 85160857 is a prime.

It is not a weakly prime, because it can be changed into another prime (85177231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42588620 + 42588621.

It is an arithmetic number, because the mean of its divisors is an integer number (42588621).

Almost surely, 2^85177241 is an apocalyptic number.

It is an amenable number.

85177241 is a deficient number, since it is larger than the sum of its proper divisors (1).

85177241 is an equidigital number, since it uses as much as digits as its factorization.

85177241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 85177241 is about 9229.1516944950. The cubic root of 85177241 is about 439.9883622955.

The spelling of 85177241 in words is "eighty-five million, one hundred seventy-seven thousand, two hundred forty-one".