40303001 has 4 divisors (see below), whose sum is σ = 40316004. Its totient is φ = 40290000.

The previous prime is 40302991. The next prime is 40303019. The reversal of 40303001 is 10030304.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9211225 + 31091776 = 3035^2 + 5576^2 .

It is a cyclic number.

It is not a de Polignac number, because 40303001 - 2¹⁰ = 40301977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40303031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151 + ... + 9051.

It is an arithmetic number, because the mean of its divisors is an integer number (10079001).

Almost surely, 2^40303001 is an apocalyptic number.

It is an amenable number.

40303001 is a deficient number, since it is larger than the sum of its proper divisors (13003).

40303001 is an equidigital number, since it uses as much as digits as its factorization.

40303001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 40303001 is about 6348.4644600092. The cubic root of 40303001 is about 342.8565587209.

Adding to 40303001 its reverse (10030304), we get a palindrome (50333305).

The spelling of 40303001 in words is "forty million, three hundred three thousand, one".