84255425 has 12 divisors (see below), whose sum is σ = 106449660. Its totient is φ = 66131520.

The previous prime is 84255419. The next prime is 84255439. The reversal of 84255425 is 52455248.

It can be written as a sum of positive squares in 6 ways, for example, as 4528384 + 79727041 = 2128^2 + 8929^2 .

It is not a de Polignac number, because 84255425 - 2²⁴ = 67478209 is a prime.

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, 30470 + ... + 33119.

It is an arithmetic number, because the mean of its divisors is an integer number (8870805).

Almost surely, 2^84255425 is an apocalyptic number.

It is an amenable number.

84255425 is a deficient number, since it is larger than the sum of its proper divisors (22194235).

84255425 is a wasteful number, since it uses less digits than its factorization.

84255425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63652 (or 63647 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The square root of 84255425 is about 9179.0753891664. The cubic root of 84255425 is about 438.3953690465.

The spelling of 84255425 in words is "eighty-four million, two hundred fifty-five thousand, four hundred twenty-five".