785952225 has 18 divisors (see below), whose sum is σ = 1407728166. Its totient is φ = 419174400.

The previous prime is 785952199. The next prime is 785952227. The reversal of 785952225 is 522259587.

785952225 is a `hidden beast` number, since 78 + 59 + 522 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 159201 + 785793024 = 399^2 + 28032^2 .

It is not a de Polignac number, because 785952225 - 2⁶ = 785952161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (785952227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1746336 + ... + 1746785.

Almost surely, 2^785952225 is an apocalyptic number.

785952225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

785952225 is a deficient number, since it is larger than the sum of its proper divisors (621775941).

785952225 is a wasteful number, since it uses less digits than its factorization.

785952225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493137 (or 3493129 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 785952225 is about 28034.8394858968. The cubic root of 785952225 is about 922.8519819282.

The spelling of 785952225 in words is "seven hundred eighty-five million, nine hundred fifty-two thousand, two hundred twenty-five".