84351025 has 24 divisors (see below), whose sum is σ = 120822624. Its totient is φ = 57734400.

The previous prime is 84351023. The next prime is 84351049. The reversal of 84351025 is 52015348.

It is not a de Polignac number, because 84351025 - 2¹ = 84351023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84350984 and 84351002.

It is not an unprimeable number, because it can be changed into a prime (84351023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4347 + ... + 13696.

It is an arithmetic number, because the mean of its divisors is an integer number (5034276).

Almost surely, 2^84351025 is an apocalyptic number.

84351025 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84351025 is a deficient number, since it is larger than the sum of its proper divisors (36471599).

84351025 is a wasteful number, since it uses less digits than its factorization.

84351025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18081 (or 18076 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 84351025 is about 9184.2814090162. The cubic root of 84351025 is about 438.5611140853.

The spelling of 84351025 in words is "eighty-four million, three hundred fifty-one thousand, twenty-five".