7424825 has 24 divisors (see below), whose sum is σ = 9642240. Its totient is φ = 5667200.

The previous prime is 7424797. The next prime is 7424849. The reversal of 7424825 is 5284247.

It is not a de Polignac number, because 7424825 - 2⁶ = 7424761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7424791 and 7424800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83381 + ... + 83469.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^7424825 is an apocalyptic number.

7424825 is the 2225-th pentagonal number.

It is an amenable number.

7424825 is a deficient number, since it is larger than the sum of its proper divisors (2217415).

7424825 is a wasteful number, since it uses less digits than its factorization.

7424825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 212 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 7424825 is about 2724.8532070554. The cubic root of 7424825 is about 195.0871843321.

The spelling of 7424825 in words is "seven million, four hundred twenty-four thousand, eight hundred twenty-five".