84126425 has 6 divisors (see below), whose sum is σ = 104316798. Its totient is φ = 67301120.

The previous prime is 84126403. The next prime is 84126461. The reversal of 84126425 is 52462148.

It can be written as a sum of positive squares in 3 ways, for example, as 841 + 84125584 = 29^2 + 9172^2 .

It is not a de Polignac number, because 84126425 - 2⁸ = 84126169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84126391 and 84126400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682504 + ... + 1682553.

It is an arithmetic number, because the mean of its divisors is an integer number (17386133).

Almost surely, 2^84126425 is an apocalyptic number.

It is an amenable number.

84126425 is a deficient number, since it is larger than the sum of its proper divisors (20190373).

84126425 is a wasteful number, since it uses less digits than its factorization.

84126425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365067 (or 3365062 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 84126425 is about 9172.0458459386. The cubic root of 84126425 is about 438.1715184194.

The spelling of 84126425 in words is "eighty-four million, one hundred twenty-six thousand, four hundred twenty-five".