40103197 has 4 divisors (see below), whose sum is σ = 40198876. Its totient is φ = 40007520.

The previous prime is 40103179. The next prime is 40103233. The reversal of 40103197 is 79130104.

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 1028196 + 39075001 = 1014^2 + 6251^2 .

It is a cyclic number.

It is not a de Polignac number, because 40103197 - 2⁷ = 40103069 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 (40106197) 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, 47208 + ... + 48049.

It is an arithmetic number, because the mean of its divisors is an integer number (10049719).

Almost surely, 2^40103197 is an apocalyptic number.

It is an amenable number.

40103197 is a deficient number, since it is larger than the sum of its proper divisors (95679).

40103197 is an equidigital number, since it uses as much as digits as its factorization.

40103197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95678.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 40103197 is about 6332.7085042658. The cubic root of 40103197 is about 342.2890440852.

The spelling of 40103197 in words is "forty million, one hundred three thousand, one hundred ninety-seven".