7265625 has 32 divisors (see below), whose sum is σ = 12499968. Its totient is φ = 3750000.

The previous prime is 7265623. The next prime is 7265633. The reversal of 7265625 is 5265627.

It is not a de Polignac number, because 7265625 - 2¹ = 7265623 is a prime.

It is a d-powerful number, because it can be written as 7 + 2³ + 6⁸ + 5⁹ + 6⁸ + 2⁷ + 5⁹ .

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234360 + ... + 234390.

It is an arithmetic number, because the mean of its divisors is an integer number (390624).

Almost surely, 2^7265625 is an apocalyptic number.

7265625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7265625 is a deficient number, since it is larger than the sum of its proper divisors (5234343).

7265625 is an frugal number, since it uses more digits than its factorization.

7265625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 39 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 7265625 is about 2695.4823316060. The cubic root of 7265625 is about 193.6827723749.

The spelling of 7265625 in words is "seven million, two hundred sixty-five thousand, six hundred twenty-five".