45017825 has 6 divisors (see below), whose sum is σ = 55822134. Its totient is φ = 36014240.

The previous prime is 45017813. The next prime is 45017827. The reversal of 45017825 is 52871054.

It can be written as a sum of positive squares in 3 ways, for example, as 87616 + 44930209 = 296^2 + 6703^2 .

It is not a de Polignac number, because 45017825 - 2⁴ = 45017809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45017791 and 45017800.

It is not an unprimeable number, because it can be changed into a prime (45017827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 900332 + ... + 900381.

It is an arithmetic number, because the mean of its divisors is an integer number (9303689).

Almost surely, 2^45017825 is an apocalyptic number.

It is an amenable number.

45017825 is a deficient number, since it is larger than the sum of its proper divisors (10804309).

45017825 is a wasteful number, since it uses less digits than its factorization.

45017825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800723 (or 1800718 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 45017825 is about 6709.5323980140. The cubic root of 45017825 is about 355.7362884147.

Adding to 45017825 its reverse (52871054), we get a palindrome (97888879).

The spelling of 45017825 in words is "forty-five million, seventeen thousand, eight hundred twenty-five".