40253501 has 8 divisors (see below), whose sum is σ = 42676920. Its totient is φ = 37836288.

The previous prime is 40253497. The next prime is 40253503. The reversal of 40253501 is 10535204.

40253501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1378276 + 38875225 = 1174^2 + 6235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40253501 - 2² = 40253497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40253503) 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 7 ways as a sum of consecutive naturals, for example, 23465 + ... + 25121.

It is an arithmetic number, because the mean of its divisors is an integer number (5334615).

Almost surely, 2^40253501 is an apocalyptic number.

It is an amenable number.

40253501 is a deficient number, since it is larger than the sum of its proper divisors (2423419).

40253501 is a wasteful number, since it uses less digits than its factorization.

40253501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 40253501 is about 6344.5646816783. The cubic root of 40253501 is about 342.7161361547.

Adding to 40253501 its reverse (10535204), we get a palindrome (50788705).

The spelling of 40253501 in words is "forty million, two hundred fifty-three thousand, five hundred one".