7248257 has 4 divisors (see below), whose sum is σ = 7262640. Its totient is φ = 7233876.

The previous prime is 7248251. The next prime is 7248277. The reversal of 7248257 is 7528427.

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.

It is a cyclic number.

It is not a de Polignac number, because 7248257 - 2⁶ = 7248193 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7248251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6407 + ... + 7452.

It is an arithmetic number, because the mean of its divisors is an integer number (1815660).

Almost surely, 2^7248257 is an apocalyptic number.

It is an amenable number.

7248257 is a deficient number, since it is larger than the sum of its proper divisors (14383).

7248257 is a wasteful number, since it uses less digits than its factorization.

7248257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14382.

The product of its digits is 31360, while the sum is 35.

The square root of 7248257 is about 2692.2587171370. The cubic root of 7248257 is about 193.5283205860.

The spelling of 7248257 in words is "seven million, two hundred forty-eight thousand, two hundred fifty-seven".