40653201 has 4 divisors (see below), whose sum is σ = 54204272. Its totient is φ = 27102132.

The previous prime is 40653199. The next prime is 40653253. The reversal of 40653201 is 10235604.

It is a happy number.

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 not a de Polignac number, because 40653201 - 2¹ = 40653199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40653281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6775531 + ... + 6775536.

It is an arithmetic number, because the mean of its divisors is an integer number (13551068).

Almost surely, 2^40653201 is an apocalyptic number.

It is an amenable number.

40653201 is a deficient number, since it is larger than the sum of its proper divisors (13551071).

40653201 is a wasteful number, since it uses less digits than its factorization.

40653201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551070.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40653201 is about 6375.9862766477. The cubic root of 40653201 is about 343.8467436353.

Adding to 40653201 its reverse (10235604), we get a palindrome (50888805).

The spelling of 40653201 in words is "forty million, six hundred fifty-three thousand, two hundred one".