85187341 has 2 divisors, whose sum is σ = 85187342. Its totient is φ = 85187340.

The previous prime is 85187321. The next prime is 85187371. The reversal of 85187341 is 14378158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77951241 + 7236100 = 8829^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 85187341 - 2⁷ = 85187213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85187341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85187321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42593670 + 42593671.

It is an arithmetic number, because the mean of its divisors is an integer number (42593671).

Almost surely, 2^85187341 is an apocalyptic number.

It is an amenable number.

85187341 is a deficient number, since it is larger than the sum of its proper divisors (1).

85187341 is an equidigital number, since it uses as much as digits as its factorization.

85187341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 37.

The square root of 85187341 is about 9229.6988574926. The cubic root of 85187341 is about 440.0057523353.

The spelling of 85187341 in words is "eighty-five million, one hundred eighty-seven thousand, three hundred forty-one".