85701313 has 2 divisors, whose sum is σ = 85701314. Its totient is φ = 85701312.

The previous prime is 85701299. The next prime is 85701349. The reversal of 85701313 is 31310758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82955664 + 2745649 = 9108^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 85701313 - 2⁹ = 85700801 is a prime.

It is not a weakly prime, because it can be changed into another prime (85701613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42850656 + 42850657.

It is an arithmetic number, because the mean of its divisors is an integer number (42850657).

Almost surely, 2^85701313 is an apocalyptic number.

It is an amenable number.

85701313 is a deficient number, since it is larger than the sum of its proper divisors (1).

85701313 is an equidigital number, since it uses as much as digits as its factorization.

85701313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 85701313 is about 9257.5003645693. The cubic root of 85701313 is about 440.8888934641. Note that the first 4 decimals are identical.

The spelling of 85701313 in words is "eighty-five million, seven hundred one thousand, three hundred thirteen".