85015417 has 2 divisors, whose sum is σ = 85015418. Its totient is φ = 85015416.

The previous prime is 85015397. The next prime is 85015499. The reversal of 85015417 is 71451058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62157456 + 22857961 = 7884^2 + 4781^2 .

It is a cyclic number.

It is not a de Polignac number, because 85015417 - 2¹⁹ = 84491129 is a prime.

It is a super-2 number, since 2×85015417² = 14455242255367778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85015717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42507708 + 42507709.

It is an arithmetic number, because the mean of its divisors is an integer number (42507709).

Almost surely, 2^85015417 is an apocalyptic number.

It is an amenable number.

85015417 is a deficient number, since it is larger than the sum of its proper divisors (1).

85015417 is an equidigital number, since it uses as much as digits as its factorization.

85015417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 85015417 is about 9220.3805236010. The cubic root of 85015417 is about 439.7095483237.

The spelling of 85015417 in words is "eighty-five million, fifteen thousand, four hundred seventeen".