40253253 has 4 divisors (see below), whose sum is σ = 53671008. Its totient is φ = 26835500.

The previous prime is 40253233. The next prime is 40253261. The reversal of 40253253 is 35235204.

40253253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40253253 - 2²² = 36058949 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 (40253233) 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 3 ways as a sum of consecutive naturals, for example, 6708873 + ... + 6708878.

It is an arithmetic number, because the mean of its divisors is an integer number (13417752).

Almost surely, 2^40253253 is an apocalyptic number.

It is an amenable number.

40253253 is a deficient number, since it is larger than the sum of its proper divisors (13417755).

40253253 is a wasteful number, since it uses less digits than its factorization.

40253253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13417754.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 40253253 is about 6344.5451373601. The cubic root of 40253253 is about 342.7154323338.

Adding to 40253253 its reverse (35235204), we get a palindrome (75488457).

The spelling of 40253253 in words is "forty million, two hundred fifty-three thousand, two hundred fifty-three".