40103253 has 12 divisors (see below), whose sum is σ = 58033248. Its totient is φ = 26686440.

The previous prime is 40103249. The next prime is 40103269. The reversal of 40103253 is 35230104.

It is not a de Polignac number, because 40103253 - 2² = 40103249 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 (40103233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1488 + ... + 9078.

It is an arithmetic number, because the mean of its divisors is an integer number (4836104).

Almost surely, 2^40103253 is an apocalyptic number.

It is an amenable number.

40103253 is a deficient number, since it is larger than the sum of its proper divisors (17929995).

40103253 is a wasteful number, since it uses less digits than its factorization.

40103253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184 (or 8181 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40103253 is about 6332.7129257531. The cubic root of 40103253 is about 342.2892034090.

Adding to 40103253 its reverse (35230104), we get a palindrome (75333357).

The spelling of 40103253 in words is "forty million, one hundred three thousand, two hundred fifty-three".