7242825 has 24 divisors (see below), whose sum is σ = 12052800. Its totient is φ = 3837760.

The previous prime is 7242803. The next prime is 7242839. The reversal of 7242825 is 5282427.

It is not a de Polignac number, because 7242825 - 2⁵ = 7242793 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7242792 and 7242801.

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, 19996 + ... + 20354.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 2^7242825 is an apocalyptic number.

7242825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7242825 is a deficient number, since it is larger than the sum of its proper divisors (4809975).

7242825 is a wasteful number, since it uses less digits than its factorization.

7242825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 7242825 is about 2691.2497097074. The cubic root of 7242825 is about 193.4799637394.

The spelling of 7242825 in words is "seven million, two hundred forty-two thousand, eight hundred twenty-five".