100048591 has 2 divisors, whose sum is σ = 100048592. Its totient is φ = 100048590.

The previous prime is 100048561. The next prime is 100048603. The reversal of 100048591 is 195840001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100048591 - 2⁹ = 100048079 is a prime.

It is a super-2 number, since 2×100048591² = 20019441122170562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100048511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50024295 + 50024296.

It is an arithmetic number, because the mean of its divisors is an integer number (50024296).

Almost surely, 2^100048591 is an apocalyptic number.

100048591 is a deficient number, since it is larger than the sum of its proper divisors (1).

100048591 is an equidigital number, since it uses as much as digits as its factorization.

100048591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 100048591 is about 10002.4292549360. The cubic root of 100048591 is about 464.2340510020.

Adding to 100048591 its reverse (195840001), we get a palindrome (295888592).

The spelling of 100048591 in words is "one hundred million, forty-eight thousand, five hundred ninety-one".