1716501225 has 24 divisors (see below), whose sum is σ = 2914654720. Its totient is φ = 890723520.

The previous prime is 1716501197. The next prime is 1716501229. The reversal of 1716501225 is 5221056171.

It is not a de Polignac number, because 1716501225 - 2¹² = 1716497129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1716501192 and 1716501201.

It is not an unprimeable number, because it can be changed into a prime (1716501229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306505 + ... + 312054.

Almost surely, 2^1716501225 is an apocalyptic number.

1716501225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1716501225 is a deficient number, since it is larger than the sum of its proper divisors (1198153495).

1716501225 is a wasteful number, since it uses less digits than its factorization.

1716501225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618609 (or 618604 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1716501225 is about 41430.6797554662. The cubic root of 1716501225 is about 1197.3323204941.

Adding to 1716501225 its reverse (5221056171), we get a palindrome (6937557396).

The spelling of 1716501225 in words is "one billion, seven hundred sixteen million, five hundred one thousand, two hundred twenty-five".