7649253 has 6 divisors (see below), whose sum is σ = 11048934. Its totient is φ = 5099496.

The previous prime is 7649251. The next prime is 7649261. The reversal of 7649253 is 3529467.

7649253 is a `hidden beast` number, since 7 + 649 + 2 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4088484 + 3560769 = 2022^2 + 1887^2 .

It is not a de Polignac number, because 7649253 - 2¹ = 7649251 is a prime.

It is a super-2 number, since 2×7649253² = 117022142916018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424950 + ... + 424967.

It is an arithmetic number, because the mean of its divisors is an integer number (1841489).

Almost surely, 2^7649253 is an apocalyptic number.

It is an amenable number.

7649253 is a deficient number, since it is larger than the sum of its proper divisors (3399681).

7649253 is a wasteful number, since it uses less digits than its factorization.

7649253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849923 (or 849920 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 7649253 is about 2765.7282946812. The cubic root of 7649253 is about 197.0333199672.

The spelling of 7649253 in words is "seven million, six hundred forty-nine thousand, two hundred fifty-three".