45241247521 has 2 divisors, whose sum is σ = 45241247522. Its totient is φ = 45241247520.

The previous prime is 45241247509. The next prime is 45241247543. The reversal of 45241247521 is 12574214254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28912241296 + 16329006225 = 170036^2 + 127785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45241247521 is a prime.

It is not a weakly prime, because it can be changed into another prime (45241247321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620623760 + 22620623761.

It is an arithmetic number, because the mean of its divisors is an integer number (22620623761).

Almost surely, 2^45241247521 is an apocalyptic number.

It is an amenable number.

45241247521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45241247521 is an equidigital number, since it uses as much as digits as its factorization.

45241247521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 37.

The spelling of 45241247521 in words is "forty-five billion, two hundred forty-one million, two hundred forty-seven thousand, five hundred twenty-one".