7528313 has 16 divisors (see below), whose sum is σ = 8836800. Its totient is φ = 6350400.

The previous prime is 7528309. The next prime is 7528357. The reversal of 7528313 is 3138257.

It is a cyclic number.

It is not a de Polignac number, because 7528313 - 2² = 7528309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7528363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6638 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (552300).

Almost surely, 2^7528313 is an apocalyptic number.

It is an amenable number.

7528313 is a deficient number, since it is larger than the sum of its proper divisors (1308487).

7528313 is a wasteful number, since it uses less digits than its factorization.

7528313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its digits is 5040, while the sum is 29.

The square root of 7528313 is about 2743.7771410958. Note that the first 3 decimals coincide. The cubic root of 7528313 is about 195.9893875276.

The spelling of 7528313 in words is "seven million, five hundred twenty-eight thousand, three hundred thirteen".