100534493 has 2 divisors, whose sum is σ = 100534494. Its totient is φ = 100534492.

The previous prime is 100534477. The next prime is 100534507. The reversal of 100534493 is 394435001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94517284 + 6017209 = 9722^2 + 2453^2 .

It is a cyclic number.

It is not a de Polignac number, because 100534493 - 2⁴ = 100534477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100534433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50267246 + 50267247.

It is an arithmetic number, because the mean of its divisors is an integer number (50267247).

Almost surely, 2^100534493 is an apocalyptic number.

It is an amenable number.

100534493 is a deficient number, since it is larger than the sum of its proper divisors (1).

100534493 is an equidigital number, since it uses as much as digits as its factorization.

100534493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 100534493 is about 10026.6890347711. The cubic root of 100534493 is about 464.9843799432.

Adding to 100534493 its reverse (394435001), we get a palindrome (494969494).

The spelling of 100534493 in words is "one hundred million, five hundred thirty-four thousand, four hundred ninety-three".