85242965 has 4 divisors (see below), whose sum is σ = 102291564. Its totient is φ = 68194368.

The previous prime is 85242943. The next prime is 85243003. The reversal of 85242965 is 56924258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26152996 + 59089969 = 5114^2 + 7687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85242965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8524292 + ... + 8524301.

It is an arithmetic number, because the mean of its divisors is an integer number (25572891).

Almost surely, 2^85242965 is an apocalyptic number.

It is an amenable number.

85242965 is a deficient number, since it is larger than the sum of its proper divisors (17048599).

85242965 is a wasteful number, since it uses less digits than its factorization.

85242965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17048598.

The product of its digits is 172800, while the sum is 41.

The square root of 85242965 is about 9232.7116818408. The cubic root of 85242965 is about 440.1015003442.

The spelling of 85242965 in words is "eighty-five million, two hundred forty-two thousand, nine hundred sixty-five".