7249313 has 4 divisors (see below), whose sum is σ = 7351488. Its totient is φ = 7147140.

The previous prime is 7249283. The next prime is 7249331. The reversal of 7249313 is 3139427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3139427 = 19 ⋅165233.

It is a cyclic number.

It is not a de Polignac number, because 7249313 - 2¹⁶ = 7183777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7249343) 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, 50981 + ... + 51122.

It is an arithmetic number, because the mean of its divisors is an integer number (1837872).

Almost surely, 2^7249313 is an apocalyptic number.

It is an amenable number.

7249313 is a deficient number, since it is larger than the sum of its proper divisors (102175).

7249313 is a wasteful number, since it uses less digits than its factorization.

7249313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102174.

The product of its digits is 4536, while the sum is 29.

The square root of 7249313 is about 2692.4548278476. The cubic root of 7249313 is about 193.5377185228.

The spelling of 7249313 in words is "seven million, two hundred forty-nine thousand, three hundred thirteen".