84132025 has 6 divisors (see below), whose sum is σ = 104323742. Its totient is φ = 67305600.

The previous prime is 84132023. The next prime is 84132071. The reversal of 84132025 is 52023148.

It can be written as a sum of positive squares in 3 ways, for example, as 2699449 + 81432576 = 1643^2 + 9024^2 .

It is not a de Polignac number, because 84132025 - 2¹ = 84132023 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: 3365281 = 84132025 / (8 + 4 + 1 + 3 + 2 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84132023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682616 + ... + 1682665.

Almost surely, 2^84132025 is an apocalyptic number.

It is an amenable number.

84132025 is a deficient number, since it is larger than the sum of its proper divisors (20191717).

84132025 is a wasteful number, since it uses less digits than its factorization.

84132025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365291 (or 3365286 counting only the distinct ones).

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

The square root of 84132025 is about 9172.3511162624. The cubic root of 84132025 is about 438.1812407156.

The spelling of 84132025 in words is "eighty-four million, one hundred thirty-two thousand, twenty-five".