7291625 has 16 divisors (see below), whose sum is σ = 9929088. Its totient is φ = 5302000.

The previous prime is 7291619. The next prime is 7291631. The reversal of 7291625 is 5261927.

It is an interprime number because it is at equal distance from previous prime (7291619) and next prime (7291631).

It is not a de Polignac number, because 7291625 - 2²⁰ = 6243049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7291591 and 7291600.

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 15 ways as a sum of consecutive naturals, for example, 1277 + ... + 4026.

It is an arithmetic number, because the mean of its divisors is an integer number (620568).

Almost surely, 2^7291625 is an apocalyptic number.

It is an amenable number.

7291625 is a deficient number, since it is larger than the sum of its proper divisors (2637463).

7291625 is a wasteful number, since it uses less digits than its factorization.

7291625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329 (or 5319 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 7291625 is about 2700.3009091581. The cubic root of 7291625 is about 193.9135282604.

The spelling of 7291625 in words is "seven million, two hundred ninety-one thousand, six hundred twenty-five".