7211313 has 12 divisors (see below), whose sum is σ = 10752768. Its totient is φ = 4652280.

The previous prime is 7211311. The next prime is 7211329. The reversal of 7211313 is 3131127.

It is not a de Polignac number, because 7211313 - 2¹ = 7211311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7211311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12645 + ... + 13202.

It is an arithmetic number, because the mean of its divisors is an integer number (896064).

Almost surely, 2^7211313 is an apocalyptic number.

It is an amenable number.

7211313 is a deficient number, since it is larger than the sum of its proper divisors (3541455).

7211313 is a wasteful number, since it uses less digits than its factorization.

7211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25884 (or 25881 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 7211313 is about 2685.3887986658. The cubic root of 7211313 is about 193.1989590109.

The spelling of 7211313 in words is "seven million, two hundred eleven thousand, three hundred thirteen".