85017501 has 12 divisors (see below), whose sum is σ = 125416512. Its totient is φ = 55472136.

The previous prime is 85017497. The next prime is 85017511. The reversal of 85017501 is 10571058.

It is not a de Polignac number, because 85017501 - 2² = 85017497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85017511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100071 + ... + 100916.

It is an arithmetic number, because the mean of its divisors is an integer number (10451376).

Almost surely, 2^85017501 is an apocalyptic number.

It is an amenable number.

85017501 is a deficient number, since it is larger than the sum of its proper divisors (40399011).

85017501 is a wasteful number, since it uses less digits than its factorization.

85017501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201040 (or 201037 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 85017501 is about 9220.4935334287. The cubic root of 85017501 is about 439.7131411906.

Adding to 85017501 its reverse (10571058), we get a palindrome (95588559).

The spelling of 85017501 in words is "eighty-five million, seventeen thousand, five hundred one".