40541047 has 2 divisors, whose sum is σ = 40541048. Its totient is φ = 40541046.

The previous prime is 40541029. The next prime is 40541063. The reversal of 40541047 is 74014504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40541047 is a prime.

It is equal to p_2464603 and since 40541047 and 2464603 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40541077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20270523 + 20270524.

It is an arithmetic number, because the mean of its divisors is an integer number (20270524).

Almost surely, 2^40541047 is an apocalyptic number.

40541047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40541047 is an equidigital number, since it uses as much as digits as its factorization.

40541047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 40541047 is about 6367.1851708585. The cubic root of 40541047 is about 343.5302510883.

The spelling of 40541047 in words is "forty million, five hundred forty-one thousand, forty-seven".