217114025 has 12 divisors (see below), whose sum is σ = 270714444. Its totient is φ = 172728000.

The previous prime is 217114013. The next prime is 217114057. The reversal of 217114025 is 520411712.

It can be written as a sum of positive squares in 6 ways, for example, as 71284249 + 145829776 = 8443^2 + 12076^2 .

It is not a de Polignac number, because 217114025 - 2⁶ = 217113961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19466 + ... + 28515.

It is an arithmetic number, because the mean of its divisors is an integer number (22559537).

Almost surely, 2^217114025 is an apocalyptic number.

217114025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

217114025 is a deficient number, since it is larger than the sum of its proper divisors (53600419).

217114025 is a wasteful number, since it uses less digits than its factorization.

217114025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48172 (or 48167 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 217114025 is about 14734.7896150573. The cubic root of 217114025 is about 601.0297363570.

Adding to 217114025 its reverse (520411712), we get a palindrome (737525737).

The spelling of 217114025 in words is "two hundred seventeen million, one hundred fourteen thousand, twenty-five".