84250025 has 6 divisors (see below), whose sum is σ = 104470062. Its totient is φ = 67400000.

The previous prime is 84250003. The next prime is 84250027. The reversal of 84250025 is 52005248.

It can be written as a sum of positive squares in 3 ways, for example, as 12559936 + 71690089 = 3544^2 + 8467^2 .

It is not a de Polignac number, because 84250025 - 2⁸ = 84249769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84249976 and 84250003.

It is not an unprimeable number, because it can be changed into a prime (84250027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684976 + ... + 1685025.

It is an arithmetic number, because the mean of its divisors is an integer number (17411677).

Almost surely, 2^84250025 is an apocalyptic number.

It is an amenable number.

84250025 is a deficient number, since it is larger than the sum of its proper divisors (20220037).

84250025 is a wasteful number, since it uses less digits than its factorization.

84250025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370011 (or 3370006 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 84250025 is about 9178.7812371796. The cubic root of 84250025 is about 438.3860031389.

The spelling of 84250025 in words is "eighty-four million, two hundred fifty thousand, twenty-five".