7198313 has 8 divisors (see below), whose sum is σ = 7431432. Its totient is φ = 6967296.

The previous prime is 7198297. The next prime is 7198343. The reversal of 7198313 is 3138917.

It can be written as a sum of positive squares in 4 ways, for example, as 5161984 + 2036329 = 2272^2 + 1427^2 .

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 7198313 - 2⁴ = 7198297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7198313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7198343) 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, 9131 + ... + 9887.

It is an arithmetic number, because the mean of its divisors is an integer number (928929).

Almost surely, 2^7198313 is an apocalyptic number.

It is an amenable number.

7198313 is a deficient number, since it is larger than the sum of its proper divisors (233119).

7198313 is a wasteful number, since it uses less digits than its factorization.

7198313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its digits is 4536, while the sum is 32.

The square root of 7198313 is about 2682.9672006940. The cubic root of 7198313 is about 193.0827944413.

The spelling of 7198313 in words is "seven million, one hundred ninety-eight thousand, three hundred thirteen".