7251425 has 6 divisors (see below), whose sum is σ = 8991798. Its totient is φ = 5801120.

The previous prime is 7251397. The next prime is 7251481. The reversal of 7251425 is 5241527.

It can be written as a sum of positive squares in 3 ways, for example, as 677329 + 6574096 = 823^2 + 2564^2 .

It is not a de Polignac number, because 7251425 - 2⁸ = 7251169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7251394 and 7251403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145004 + ... + 145053.

It is an arithmetic number, because the mean of its divisors is an integer number (1498633).

Almost surely, 2^7251425 is an apocalyptic number.

It is an amenable number.

7251425 is a deficient number, since it is larger than the sum of its proper divisors (1740373).

7251425 is a wasteful number, since it uses less digits than its factorization.

7251425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290067 (or 290062 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 7251425 is about 2692.8470064228. The cubic root of 7251425 is about 193.5565116587.

The spelling of 7251425 in words is "seven million, two hundred fifty-one thousand, four hundred twenty-five".