84210325 has 6 divisors (see below), whose sum is σ = 104420834. Its totient is φ = 67368240.

The previous prime is 84210283. The next prime is 84210341. The reversal of 84210325 is 52301248.

It can be written as a sum of positive squares in 3 ways, for example, as 707281 + 83503044 = 841^2 + 9138^2 .

It is not a de Polignac number, because 84210325 - 2¹³ = 84202133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 3368413 = 84210325 / (8 + 4 + 2 + 1 + 0 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84210325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684182 + ... + 1684231.

Almost surely, 2^84210325 is an apocalyptic number.

It is an amenable number.

84210325 is a deficient number, since it is larger than the sum of its proper divisors (20210509).

84210325 is a wasteful number, since it uses less digits than its factorization.

84210325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368423 (or 3368418 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 84210325 is about 9176.6183858761. The cubic root of 84210325 is about 438.3171340843.

The spelling of 84210325 in words is "eighty-four million, two hundred ten thousand, three hundred twenty-five".