7445253 has 8 divisors (see below), whose sum is σ = 9939616. Its totient is φ = 4957200.

The previous prime is 7445237. The next prime is 7445279. The reversal of 7445253 is 3525447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7445253 - 2⁴ = 7445237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7445253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445203) 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 7 ways as a sum of consecutive naturals, for example, 3783 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (1242452).

Almost surely, 2^7445253 is an apocalyptic number.

It is an amenable number.

7445253 is a deficient number, since it is larger than the sum of its proper divisors (2494363).

7445253 is a wasteful number, since it uses less digits than its factorization.

7445253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

The product of its digits is 16800, while the sum is 30.

The square root of 7445253 is about 2728.5990911088. The cubic root of 7445253 is about 195.2659356472.

The spelling of 7445253 in words is "seven million, four hundred forty-five thousand, two hundred fifty-three".