7532213 has 8 divisors (see below), whose sum is σ = 8223768. Its totient is φ = 6856704.

The previous prime is 7532209. The next prime is 7532221. The reversal of 7532213 is 3122357.

7532213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2256004 + 5276209 = 1502^2 + 2297^2 .

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 7532213 - 2² = 7532209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7532813) 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, 3020 + ... + 4917.

It is an arithmetic number, because the mean of its divisors is an integer number (1027971).

Almost surely, 2^7532213 is an apocalyptic number.

7532213 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7532213 is a deficient number, since it is larger than the sum of its proper divisors (691555).

7532213 is a wasteful number, since it uses less digits than its factorization.

7532213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023.

The product of its digits is 1260, while the sum is 23.

The square root of 7532213 is about 2744.4877481964. The cubic root of 7532213 is about 196.0232254166.

The spelling of 7532213 in words is "seven million, five hundred thirty-two thousand, two hundred thirteen".