495126089 has 2 divisors, whose sum is σ = 495126090. Its totient is φ = 495126088.

The previous prime is 495126041. The next prime is 495126103. The reversal of 495126089 is 980621594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252015625 + 243110464 = 15875^2 + 15592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495126089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (495426089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247563044 + 247563045.

It is an arithmetic number, because the mean of its divisors is an integer number (247563045).

Almost surely, 2^495126089 is an apocalyptic number.

It is an amenable number.

495126089 is a deficient number, since it is larger than the sum of its proper divisors (1).

495126089 is an equidigital number, since it uses as much as digits as its factorization.

495126089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 495126089 is about 22251.4289204087. The cubic root of 495126089 is about 791.1131501075.

The spelling of 495126089 in words is "four hundred ninety-five million, one hundred twenty-six thousand, eighty-nine".