7540315 has 4 divisors (see below), whose sum is σ = 9048384. Its totient is φ = 6032248.

The previous prime is 7540289. The next prime is 7540327. The reversal of 7540315 is 5130457.

7540315 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5130457 = 37 ⋅138661.

It is a cyclic number.

It is not a de Polignac number, because 7540315 - 2¹⁵ = 7507547 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7540315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754027 + ... + 754036.

It is an arithmetic number, because the mean of its divisors is an integer number (2262096).

Almost surely, 2^7540315 is an apocalyptic number.

7540315 is a deficient number, since it is larger than the sum of its proper divisors (1508069).

7540315 is a wasteful number, since it uses less digits than its factorization.

7540315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508068.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 7540315 is about 2745.9634010671. The cubic root of 7540315 is about 196.0934841427.

The spelling of 7540315 in words is "seven million, five hundred forty thousand, three hundred fifteen".