85527505 has 8 divisors (see below), whose sum is σ = 117294912. Its totient is φ = 58647408.

The previous prime is 85527503. The next prime is 85527529. The reversal of 85527505 is 50572558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85527505 - 2¹ = 85527503 is a prime.

It is a super-2 number, since 2×85527505² = 14629908223050050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85527503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221787 + ... + 1221856.

It is an arithmetic number, because the mean of its divisors is an integer number (14661864).

Almost surely, 2^85527505 is an apocalyptic number.

It is an amenable number.

85527505 is a deficient number, since it is larger than the sum of its proper divisors (31767407).

85527505 is a wasteful number, since it uses less digits than its factorization.

85527505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443655.

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 85527505 is about 9248.1081849208. The cubic root of 85527505 is about 440.5906410175.

The spelling of 85527505 in words is "eighty-five million, five hundred twenty-seven thousand, five hundred five".