7255239 has 8 divisors (see below), whose sum is σ = 9700080. Its totient is φ = 4823616.

The previous prime is 7255231. The next prime is 7255247. The reversal of 7255239 is 9325527.

It is an interprime number because it is at equal distance from previous prime (7255231) and next prime (7255247).

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

It is not a de Polignac number, because 7255239 - 2³ = 7255231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7255231) 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, 1942 + ... + 4275.

It is an arithmetic number, because the mean of its divisors is an integer number (1212510).

Almost surely, 2^7255239 is an apocalyptic number.

7255239 is a deficient number, since it is larger than the sum of its proper divisors (2444841).

7255239 is a wasteful number, since it uses less digits than its factorization.

7255239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609.

The product of its digits is 18900, while the sum is 33.

The square root of 7255239 is about 2693.5550857556. Note that the first 3 decimals coincide. The cubic root of 7255239 is about 193.5904403989.

The spelling of 7255239 in words is "seven million, two hundred fifty-five thousand, two hundred thirty-nine".