84047025 has 12 divisors (see below), whose sum is σ = 138957872. Its totient is φ = 44825040.

The previous prime is 84047023. The next prime is 84047039. The reversal of 84047025 is 52074048.

It is not a de Polignac number, because 84047025 - 2¹ = 84047023 is a prime.

It is a super-2 number, since 2×84047025² = 14127804822701250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84046983 and 84047001.

It is not an unprimeable number, because it can be changed into a prime (84047023) 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 11 ways as a sum of consecutive naturals, for example, 560239 + ... + 560388.

Almost surely, 2^84047025 is an apocalyptic number.

It is an amenable number.

84047025 is a deficient number, since it is larger than the sum of its proper divisors (54910847).

84047025 is a wasteful number, since it uses less digits than its factorization.

84047025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120640 (or 1120635 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 84047025 is about 9167.7164550394. The cubic root of 84047025 is about 438.0336236984.

The spelling of 84047025 in words is "eighty-four million, forty-seven thousand, twenty-five".