85287625 has 16 divisors (see below), whose sum is σ = 106743312. Its totient is φ = 68035200.

The previous prime is 85287607. The next prime is 85287641. The reversal of 85287625 is 52678258.

It can be written as a sum of positive squares in 8 ways, for example, as 3059001 + 82228624 = 1749^2 + 9068^2 .

It is not a de Polignac number, because 85287625 - 2¹³ = 85279433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56379 + ... + 57871.

It is an arithmetic number, because the mean of its divisors is an integer number (6671457).

Almost surely, 2^85287625 is an apocalyptic number.

It is an amenable number.

85287625 is a deficient number, since it is larger than the sum of its proper divisors (21455687).

85287625 is a wasteful number, since it uses less digits than its factorization.

85287625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1955 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 85287625 is about 9235.1299395298. The cubic root of 85287625 is about 440.1783454011.

The spelling of 85287625 in words is "eighty-five million, two hundred eighty-seven thousand, six hundred twenty-five".