40530101 has 4 divisors (see below), whose sum is σ = 40578252. Its totient is φ = 40481952.

The previous prime is 40530089. The next prime is 40530103. The reversal of 40530101 is 10103504.

40530101 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 can be written as a sum of positive squares in 2 ways, for example, as 31080625 + 9449476 = 5575^2 + 3074^2 .

It is a cyclic number.

It is not a de Polignac number, because 40530101 - 2¹⁰ = 40529077 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 (40530103) 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, 22790 + ... + 24503.

It is an arithmetic number, because the mean of its divisors is an integer number (10144563).

Almost surely, 2^40530101 is an apocalyptic number.

It is an amenable number.

40530101 is a deficient number, since it is larger than the sum of its proper divisors (48151).

40530101 is an equidigital number, since it uses as much as digits as its factorization.

40530101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48150.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 40530101 is about 6366.3255493259. The cubic root of 40530101 is about 343.4993308163.

Adding to 40530101 its reverse (10103504), we get a palindrome (50633605).

The spelling of 40530101 in words is "forty million, five hundred thirty thousand, one hundred one".