7520533 has 8 divisors (see below), whose sum is σ = 7736256. Its totient is φ = 7308000.

The previous prime is 7520503. The next prime is 7520543. The reversal of 7520533 is 3350257.

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

It is a cyclic number.

It is not a de Polignac number, because 7520533 - 2⁵ = 7520501 is a prime.

It is an Ulam number.

It is a Duffinian number.

7520533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7520498 and 7520507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520503) 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, 4458 + ... + 5908.

It is an arithmetic number, because the mean of its divisors is an integer number (967032).

Almost surely, 2^7520533 is an apocalyptic number.

7520533 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7520533 is a deficient number, since it is larger than the sum of its proper divisors (215723).

7520533 is a wasteful number, since it uses less digits than its factorization.

7520533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 7520533 is about 2742.3590209890. The cubic root of 7520533 is about 195.9218503518.

The spelling of 7520533 in words is "seven million, five hundred twenty thousand, five hundred thirty-three".