4511241997 has 2 divisors, whose sum is σ = 4511241998. Its totient is φ = 4511241996.

The previous prime is 4511241989. The next prime is 4511242019. The reversal of 4511241997 is 7991421154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2771601316 + 1739640681 = 52646^2 + 41709^2 .

It is a cyclic number.

It is not a de Polignac number, because 4511241997 - 2³ = 4511241989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4511241967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2255620998 + 2255620999.

It is an arithmetic number, because the mean of its divisors is an integer number (2255620999).

Almost surely, 2^4511241997 is an apocalyptic number.

It is an amenable number.

4511241997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4511241997 is an equidigital number, since it uses as much as digits as its factorization.

4511241997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 4511241997 is about 67165.7799552719. The cubic root of 4511241997 is about 1652.3373054664.

The spelling of 4511241997 in words is "four billion, five hundred eleven million, two hundred forty-one thousand, nine hundred ninety-seven".