100025617 has 2 divisors, whose sum is σ = 100025618. Its totient is φ = 100025616.

The previous prime is 100025599. The next prime is 100025621. The reversal of 100025617 is 716520001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53567761 + 46457856 = 7319^2 + 6816^2 .

It is a cyclic number.

It is not a de Polignac number, because 100025617 - 2¹⁹ = 99501329 is a prime.

It is not a weakly prime, because it can be changed into another prime (100025017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50012808 + 50012809.

It is an arithmetic number, because the mean of its divisors is an integer number (50012809).

Almost surely, 2^100025617 is an apocalyptic number.

It is an amenable number.

100025617 is a deficient number, since it is larger than the sum of its proper divisors (1).

100025617 is an equidigital number, since it uses as much as digits as its factorization.

100025617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 100025617 is about 10001.2807679817. The cubic root of 100025617 is about 464.1985145044.

Adding to 100025617 its reverse (716520001), we get a palindrome (816545618).

The spelling of 100025617 in words is "one hundred million, twenty-five thousand, six hundred seventeen".