7312201 has 4 divisors (see below), whose sum is σ = 7874692. Its totient is φ = 6749712.

The previous prime is 7312177. The next prime is 7312231. The reversal of 7312201 is 1022137.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 5929225 = 1176^2 + 2435^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312201 - 2¹³ = 7304009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7312231) 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, 281226 + ... + 281251.

It is an arithmetic number, because the mean of its divisors is an integer number (1968673).

Almost surely, 2^7312201 is an apocalyptic number.

It is an amenable number.

7312201 is a deficient number, since it is larger than the sum of its proper divisors (562491).

7312201 is a wasteful number, since it uses less digits than its factorization.

7312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562490.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 7312201 is about 2704.1081709133. The cubic root of 7312201 is about 194.0957563910.

Adding to 7312201 its reverse (1022137), we get a palindrome (8334338).

Subtracting from 7312201 its reverse (1022137), we obtain a square (6290064 = 2508²).

The spelling of 7312201 in words is "seven million, three hundred twelve thousand, two hundred one".