7860225 has 12 divisors (see below), whose sum is σ = 12995696. Its totient is φ = 4192080.

The previous prime is 7860217. The next prime is 7860241. The reversal of 7860225 is 5220687.

It is not a de Polignac number, because 7860225 - 2³ = 7860217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7860192 and 7860201.

It is an unprimeable number.

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, 52327 + ... + 52476.

It is a Proth number, since it is equal to 1919 ⋅ 2¹² + 1 and 1919 < 2¹².

Almost surely, 2^7860225 is an apocalyptic number.

7860225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7860225 is a deficient number, since it is larger than the sum of its proper divisors (5135471).

7860225 is a wasteful number, since it uses less digits than its factorization.

7860225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104816 (or 104811 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 7860225 is about 2803.6092809092. The cubic root of 7860225 is about 198.8283580116.

The spelling of 7860225 in words is "seven million, eight hundred sixty thousand, two hundred twenty-five".