100053491 has 2 divisors, whose sum is σ = 100053492. Its totient is φ = 100053490.

The previous prime is 100053433. The next prime is 100053497. The reversal of 100053491 is 194350001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100053491 - 2¹⁰ = 100052467 is a prime.

It is a super-2 number, since 2×100053491² = 20021402122574162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100053497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50026745 + 50026746.

It is an arithmetic number, because the mean of its divisors is an integer number (50026746).

Almost surely, 2^100053491 is an apocalyptic number.

100053491 is a deficient number, since it is larger than the sum of its proper divisors (1).

100053491 is an equidigital number, since it uses as much as digits as its factorization.

100053491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 100053491 is about 10002.6741924347. The cubic root of 100053491 is about 464.2416296852.

The spelling of 100053491 in words is "one hundred million, fifty-three thousand, four hundred ninety-one".