40253315 has 4 divisors (see below), whose sum is σ = 48303984. Its totient is φ = 32202648.

The previous prime is 40253303. The next prime is 40253347. The reversal of 40253315 is 51335204.

40253315 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40253315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4025327 + ... + 4025336.

It is an arithmetic number, because the mean of its divisors is an integer number (12075996).

Almost surely, 2^40253315 is an apocalyptic number.

40253315 is a deficient number, since it is larger than the sum of its proper divisors (8050669).

40253315 is an equidigital number, since it uses as much as digits as its factorization.

40253315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050668.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40253315 is about 6344.5500234453. The cubic root of 40253315 is about 342.7156082893.

Adding to 40253315 its reverse (51335204), we get a palindrome (91588519).

The spelling of 40253315 in words is "forty million, two hundred fifty-three thousand, three hundred fifteen".