783125 has 20 divisors (see below), whose sum is σ = 1124640. Its totient is φ = 534000.

The previous prime is 783121. The next prime is 783131. The reversal of 783125 is 521387.

It is not a de Polignac number, because 783125 - 2² = 783121 is a prime.

It is a super-2 number, since 2×783125² = 1226569531250, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 783094 and 783103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4286 + ... + 4464.

It is an arithmetic number, because the mean of its divisors is an integer number (56232).

2⁷⁸³¹²⁵ is an apocalyptic number.

It is an amenable number.

783125 is a deficient number, since it is larger than the sum of its proper divisors (341515).

783125 is an equidigital number, since it uses as much as digits as its factorization.

783125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 191 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 783125 is about 884.9435010214. The cubic root of 783125 is about 92.1744092299.

The spelling of 783125 in words is "seven hundred eighty-three thousand, one hundred twenty-five".