7125249 has 8 divisors (see below), whose sum is σ = 9642400. Its totient is φ = 4679136.

The previous prime is 7125203. The next prime is 7125263. The reversal of 7125249 is 9425217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7125249 - 2⁷ = 7125121 is a prime.

It is a Duffinian number.

7125249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7125269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17524 + ... + 17925.

It is an arithmetic number, because the mean of its divisors is an integer number (1205300).

Almost surely, 2^7125249 is an apocalyptic number.

It is an amenable number.

7125249 is a deficient number, since it is larger than the sum of its proper divisors (2517151).

7125249 is a wasteful number, since it uses less digits than its factorization.

7125249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35519.

The product of its digits is 5040, while the sum is 30.

The square root of 7125249 is about 2669.3162045737. The cubic root of 7125249 is about 192.4272981208.

Subtracting 7125249 from its reverse (9425217), we obtain a cube (2299968 = 132³).

The spelling of 7125249 in words is "seven million, one hundred twenty-five thousand, two hundred forty-nine".