40954997 has 4 divisors (see below), whose sum is σ = 40967820. Its totient is φ = 40942176.

The previous prime is 40954987. The next prime is 40955003. The reversal of 40954997 is 79945904.

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 21893041 + 19061956 = 4679^2 + 4366^2 .

It is a cyclic number.

It is not a de Polignac number, because 40954997 - 2⁶ = 40954933 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 (40954957) 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, 2633 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (10241955).

Almost surely, 2^40954997 is an apocalyptic number.

It is an amenable number.

40954997 is a deficient number, since it is larger than the sum of its proper divisors (12823).

40954997 is an equidigital number, since it uses as much as digits as its factorization.

40954997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 40954997 is about 6399.6091286890. The cubic root of 40954997 is about 344.6955151504.

The spelling of 40954997 in words is "forty million, nine hundred fifty-four thousand, nine hundred ninety-seven".