40897113 has 4 divisors (see below), whose sum is σ = 54529488. Its totient is φ = 27264740.

The previous prime is 40897093. The next prime is 40897117. The reversal of 40897113 is 31179804.

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 a cyclic number.

It is not a de Polignac number, because 40897113 - 2⁵ = 40897081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40897117) 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, 6816183 + ... + 6816188.

It is an arithmetic number, because the mean of its divisors is an integer number (13632372).

Almost surely, 2^40897113 is an apocalyptic number.

It is an amenable number.

40897113 is a deficient number, since it is larger than the sum of its proper divisors (13632375).

40897113 is a wasteful number, since it uses less digits than its factorization.

40897113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13632374.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 40897113 is about 6395.0850658924. The cubic root of 40897113 is about 344.5330460666.

The spelling of 40897113 in words is "forty million, eight hundred ninety-seven thousand, one hundred thirteen".