7353521 has 4 divisors (see below), whose sum is σ = 8404032. Its totient is φ = 6303012.

The previous prime is 7353497. The next prime is 7353527. The reversal of 7353521 is 1253537.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7353521 - 2⁶ = 7353457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7353527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525245 + ... + 525258.

It is an arithmetic number, because the mean of its divisors is an integer number (2101008).

Almost surely, 2^7353521 is an apocalyptic number.

It is an amenable number.

7353521 is a deficient number, since it is larger than the sum of its proper divisors (1050511).

7353521 is a wasteful number, since it uses less digits than its factorization.

7353521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050510.

The product of its digits is 3150, while the sum is 26.

The square root of 7353521 is about 2711.7376348017. The cubic root of 7353521 is about 194.4606705613.

The spelling of 7353521 in words is "seven million, three hundred fifty-three thousand, five hundred twenty-one".