7825047 has 4 divisors (see below), whose sum is σ = 10433400. Its totient is φ = 5216696.

The previous prime is 7825021. The next prime is 7825057. The reversal of 7825047 is 7405287.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7825047 - 2⁷ = 7824919 is a prime.

It is a super-2 number, since 2×7825047² = 122462721104418, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7824999 and 7825017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7825057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304172 + ... + 1304177.

It is an arithmetic number, because the mean of its divisors is an integer number (2608350).

Almost surely, 2^7825047 is an apocalyptic number.

7825047 is a deficient number, since it is larger than the sum of its proper divisors (2608353).

7825047 is a wasteful number, since it uses less digits than its factorization.

7825047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608352.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 7825047 is about 2797.3285470248. The cubic root of 7825047 is about 198.5312993259.

The spelling of 7825047 in words is "seven million, eight hundred twenty-five thousand, forty-seven".