85700141 has 2 divisors, whose sum is σ = 85700142. Its totient is φ = 85700140.

The previous prime is 85700137. The next prime is 85700149. The reversal of 85700141 is 14100758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85562500 + 137641 = 9250^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 85700141 - 2² = 85700137 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85700141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85700149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42850070 + 42850071.

It is an arithmetic number, because the mean of its divisors is an integer number (42850071).

Almost surely, 2^85700141 is an apocalyptic number.

It is an amenable number.

85700141 is a deficient number, since it is larger than the sum of its proper divisors (1).

85700141 is an equidigital number, since it uses as much as digits as its factorization.

85700141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 85700141 is about 9257.4370643283. The cubic root of 85700141 is about 440.8868836772.

Adding to 85700141 its reverse (14100758), we get a palindrome (99800899).

The spelling of 85700141 in words is "eighty-five million, seven hundred thousand, one hundred forty-one".