7144625 has 16 divisors (see below), whose sum is σ = 9072336. Its totient is φ = 5616000.

The previous prime is 7144597. The next prime is 7144637. The reversal of 7144625 is 5264417.

It can be written as a sum of positive squares in 8 ways, for example, as 6130576 + 1014049 = 2476^2 + 1007^2 .

It is not a de Polignac number, because 7144625 - 2⁶ = 7144561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7157 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (567021).

Almost surely, 2^7144625 is an apocalyptic number.

It is an amenable number.

7144625 is a deficient number, since it is larger than the sum of its proper divisors (1927711).

7144625 is an equidigital number, since it uses as much as digits as its factorization.

7144625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1003 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 7144625 is about 2672.9431344494. The cubic root of 7144625 is about 192.6015655633.

The spelling of 7144625 in words is "seven million, one hundred forty-four thousand, six hundred twenty-five".