84570325 has 72 divisors (see below), whose sum is σ = 134348544. Its totient is φ = 52416000.

The previous prime is 84570307. The next prime is 84570329. The reversal of 84570325 is 52307548.

It is a happy number.

It is not a de Polignac number, because 84570325 - 2¹³ = 84562133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84570329) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 645510 + ... + 645640.

It is an arithmetic number, because the mean of its divisors is an integer number (1865952).

Almost surely, 2^84570325 is an apocalyptic number.

84570325 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84570325 is a deficient number, since it is larger than the sum of its proper divisors (49778219).

84570325 is a wasteful number, since it uses less digits than its factorization.

84570325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 84570325 is about 9196.2125356040. The cubic root of 84570325 is about 438.9408495395.

The spelling of 84570325 in words is "eighty-four million, five hundred seventy thousand, three hundred twenty-five".