85132305 has 12 divisors (see below), whose sum is σ = 147562740. Its totient is φ = 45403872.

The previous prime is 85132297. The next prime is 85132319. The reversal of 85132305 is 50323158.

It can be written as a sum of positive squares in 2 ways, for example, as 41254929 + 43877376 = 6423^2 + 6624^2 .

It is not a de Polignac number, because 85132305 - 2³ = 85132297 is a prime.

It is a super-2 number, since 2×85132305² = 14495018709226050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945870 + ... + 945959.

It is an arithmetic number, because the mean of its divisors is an integer number (12296895).

Almost surely, 2^85132305 is an apocalyptic number.

It is an amenable number.

85132305 is a deficient number, since it is larger than the sum of its proper divisors (62430435).

85132305 is a wasteful number, since it uses less digits than its factorization.

85132305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891840 (or 1891837 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 85132305 is about 9226.7169133988. The cubic root of 85132305 is about 439.9109754463.

The spelling of 85132305 in words is "eighty-five million, one hundred thirty-two thousand, three hundred five".