7255915 has 8 divisors (see below), whose sum is σ = 8733888. Its totient is φ = 5786880.

The previous prime is 7255909. The next prime is 7255951. The reversal of 7255915 is 5195527.

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

It is not a de Polignac number, because 7255915 - 2⁵ = 7255883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291 + ... + 3820.

It is an arithmetic number, because the mean of its divisors is an integer number (1091736).

Almost surely, 2^7255915 is an apocalyptic number.

7255915 is a deficient number, since it is larger than the sum of its proper divisors (1477973).

7255915 is a wasteful number, since it uses less digits than its factorization.

7255915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469.

The product of its digits is 15750, while the sum is 34.

The square root of 7255915 is about 2693.6805675507. The cubic root of 7255915 is about 193.5964527473.

The spelling of 7255915 in words is "seven million, two hundred fifty-five thousand, nine hundred fifteen".