41145997 has 2 divisors, whose sum is σ = 41145998. Its totient is φ = 41145996.

The previous prime is 41145947. The next prime is 41146037. The reversal of 41145997 is 79954114.

It is an a-pointer prime, because the next prime (41146037) can be obtained adding 41145997 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31573161 + 9572836 = 5619^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 41145997 - 2⁷ = 41145869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41145917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20572998 + 20572999.

It is an arithmetic number, because the mean of its divisors is an integer number (20572999).

Almost surely, 2^41145997 is an apocalyptic number.

It is an amenable number.

41145997 is a deficient number, since it is larger than the sum of its proper divisors (1).

41145997 is an equidigital number, since it uses as much as digits as its factorization.

41145997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 41145997 is about 6414.5145568468. The cubic root of 41145997 is about 345.2305313533.

The spelling of 41145997 in words is "forty-one million, one hundred forty-five thousand, nine hundred ninety-seven".