100250489 has 2 divisors, whose sum is σ = 100250490. Its totient is φ = 100250488.

The previous prime is 100250431. The next prime is 100250503. The reversal of 100250489 is 984052001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99900025 + 350464 = 9995^2 + 592^2 .

It is an emirp because it is prime and its reverse (984052001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100250489 - 2⁸ = 100250233 is a prime.

It is not a weakly prime, because it can be changed into another prime (100250089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50125244 + 50125245.

It is an arithmetic number, because the mean of its divisors is an integer number (50125245).

Almost surely, 2^100250489 is an apocalyptic number.

It is an amenable number.

100250489 is a deficient number, since it is larger than the sum of its proper divisors (1).

100250489 is an equidigital number, since it uses as much as digits as its factorization.

100250489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 100250489 is about 10012.5166167153. The cubic root of 100250489 is about 464.5461158645.

The spelling of 100250489 in words is "one hundred million, two hundred fifty thousand, four hundred eighty-nine".