7235213 has 4 divisors (see below), whose sum is σ = 7242300. Its totient is φ = 7228128.

The previous prime is 7235209. The next prime is 7235237. The reversal of 7235213 is 3125327.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3988009 + 3247204 = 1997^2 + 1802^2 .

It is a cyclic number.

It is not a de Polignac number, because 7235213 - 2² = 7235209 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 (7235203) by changing a digit.

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, 1688 + ... + 4161.

It is an arithmetic number, because the mean of its divisors is an integer number (1810575).

Almost surely, 2^7235213 is an apocalyptic number.

It is an amenable number.

7235213 is a deficient number, since it is larger than the sum of its proper divisors (7087).

7235213 is a wasteful number, since it uses less digits than its factorization.

7235213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086.

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

The square root of 7235213 is about 2689.8351250588. The cubic root of 7235213 is about 193.4121593614.

The spelling of 7235213 in words is "seven million, two hundred thirty-five thousand, two hundred thirteen".