85252525 has 12 divisors (see below), whose sum is σ = 111277600. Its totient is φ = 64612080.

The previous prime is 85252523. The next prime is 85252529. The reversal of 85252525 is 52525258.

It is a happy number.

It is not a de Polignac number, because 85252525 - 2¹ = 85252523 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85252523) 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, 89265 + ... + 90214.

Almost surely, 2^85252525 is an apocalyptic number.

It is an amenable number.

85252525 is a deficient number, since it is larger than the sum of its proper divisors (26025075).

85252525 is a wasteful number, since it uses less digits than its factorization.

85252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179508 (or 179503 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

The square root of 85252525 is about 9233.2293917134. The cubic root of 85252525 is about 440.1179521928.

The spelling of 85252525 in words is "eighty-five million, two hundred fifty-two thousand, five hundred twenty-five".