8240253 has 16 divisors (see below), whose sum is σ = 12718080. Its totient is φ = 4648176.

The previous prime is 8240249. The next prime is 8240269. The reversal of 8240253 is 3520428.

It is not a de Polignac number, because 8240253 - 2² = 8240249 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 (8240213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (794880).

Almost surely, 2^8240253 is an apocalyptic number.

It is an amenable number.

8240253 is a deficient number, since it is larger than the sum of its proper divisors (4477827).

8240253 is a wasteful number, since it uses less digits than its factorization.

8240253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8240253 is about 2870.5840869064. The cubic root of 8240253 is about 201.9823939823.

The spelling of 8240253 in words is "eight million, two hundred forty thousand, two hundred fifty-three".