7487253 has 6 divisors (see below), whose sum is σ = 10814934. Its totient is φ = 4991496.

The previous prime is 7487243. The next prime is 7487261. The reversal of 7487253 is 3527847.

It can be written as a sum of positive squares in only one way, i.e., 7273809 + 213444 = 2697^2 + 462^2 .

It is not a de Polignac number, because 7487253 - 2⁶ = 7487189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7487243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415950 + ... + 415967.

It is an arithmetic number, because the mean of its divisors is an integer number (1802489).

Almost surely, 2^7487253 is an apocalyptic number.

It is an amenable number.

7487253 is a deficient number, since it is larger than the sum of its proper divisors (3327681).

7487253 is a wasteful number, since it uses less digits than its factorization.

7487253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831923 (or 831920 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 7487253 is about 2736.2845246794. The cubic root of 7487253 is about 195.6324240225.

It can be divided in two parts, 748 and 7253, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 7487253 in words is "seven million, four hundred eighty-seven thousand, two hundred fifty-three".