7631253 has 40 divisors (see below), whose sum is σ = 13373888. Its totient is φ = 4245696.

The previous prime is 7631251. The next prime is 7631279. The reversal of 7631253 is 3521367.

It is a happy number.

7631253 is a `hidden beast` number, since 7 + 631 + 25 + 3 = 666.

It is not a de Polignac number, because 7631253 - 2¹ = 7631251 is a prime.

It is a super-3 number, since 3×7631253³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 7⁸ + 6⁸ + 3⁸ + 1 + 2 + 5⁵ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7631251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24225 + ... + 24537.

Almost surely, 2^7631253 is an apocalyptic number.

It is an amenable number.

7631253 is a deficient number, since it is larger than the sum of its proper divisors (5742635).

7631253 is a wasteful number, since it uses less digits than its factorization.

7631253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 366 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 7631253 is about 2762.4722623042. The cubic root of 7631253 is about 196.8786475515.

It can be divided in two parts, 763 and 1253, that added together give a triangular number (2016 = T₆₃).

The spelling of 7631253 in words is "seven million, six hundred thirty-one thousand, two hundred fifty-three".