100850557 has 2 divisors, whose sum is σ = 100850558. Its totient is φ = 100850556.

The previous prime is 100850551. The next prime is 100850587. The reversal of 100850557 is 755058001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100220121 + 630436 = 10011^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 100850557 - 2¹¹ = 100848509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100850551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50425278 + 50425279.

It is an arithmetic number, because the mean of its divisors is an integer number (50425279).

Almost surely, 2^100850557 is an apocalyptic number.

It is an amenable number.

100850557 is a deficient number, since it is larger than the sum of its proper divisors (1).

100850557 is an equidigital number, since it uses as much as digits as its factorization.

100850557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 100850557 is about 10042.4378016496. The cubic root of 100850557 is about 465.4711484674.

The spelling of 100850557 in words is "one hundred million, eight hundred fifty thousand, five hundred fifty-seven".