45016817 has 2 divisors, whose sum is σ = 45016818. Its totient is φ = 45016816.

The previous prime is 45016781. The next prime is 45016843. The reversal of 45016817 is 71861054.

It is a happy number.

Together with previous prime (45016781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44102881 + 913936 = 6641^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 45016817 - 2¹⁰ = 45015793 is a prime.

It is a super-2 number, since 2×45016817² = 4053027625622978, which contains 22 as substring.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (45016847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22508408 + 22508409.

It is an arithmetic number, because the mean of its divisors is an integer number (22508409).

Almost surely, 2^45016817 is an apocalyptic number.

It is an amenable number.

45016817 is a deficient number, since it is larger than the sum of its proper divisors (1).

45016817 is an equidigital number, since it uses as much as digits as its factorization.

45016817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 45016817 is about 6709.4572805854. The cubic root of 45016817 is about 355.7336332823.

The spelling of 45016817 in words is "forty-five million, sixteen thousand, eight hundred seventeen".