84039025 has 24 divisors (see below), whose sum is σ = 122323520. Its totient is φ = 56064960.

The previous prime is 84039023. The next prime is 84039037. The reversal of 84039025 is 52093048.

It is not a de Polignac number, because 84039025 - 2¹ = 84039023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84039023) 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 23 ways as a sum of consecutive naturals, for example, 15 + ... + 12964.

Almost surely, 2^84039025 is an apocalyptic number.

It is an amenable number.

84039025 is a deficient number, since it is larger than the sum of its proper divisors (38284495).

84039025 is a wasteful number, since it uses less digits than its factorization.

84039025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033 (or 13028 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 84039025 is about 9167.2801309876. The cubic root of 84039025 is about 438.0197252086.

The spelling of 84039025 in words is "eighty-four million, thirty-nine thousand, twenty-five".