7648253 has 4 divisors (see below), whose sum is σ = 7719840. Its totient is φ = 7576668.

The previous prime is 7648243. The next prime is 7648261. The reversal of 7648253 is 3528467.

It is a happy number.

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: 3528467 = 197 ⋅17911.

It is a cyclic number.

It is not a de Polignac number, because 7648253 - 2⁴ = 7648237 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 6⁴ + 4¹¹ + 8³ + 2²¹ + 5 + 3¹² .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35633 + ... + 35846.

It is an arithmetic number, because the mean of its divisors is an integer number (1929960).

Almost surely, 2^7648253 is an apocalyptic number.

It is an amenable number.

7648253 is a deficient number, since it is larger than the sum of its proper divisors (71587).

7648253 is a wasteful number, since it uses less digits than its factorization.

7648253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71586.

The product of its digits is 40320, while the sum is 35.

The square root of 7648253 is about 2765.5475045640. The cubic root of 7648253 is about 197.0247334248.

The spelling of 7648253 in words is "seven million, six hundred forty-eight thousand, two hundred fifty-three".