100132493 has 2 divisors, whose sum is σ = 100132494. Its totient is φ = 100132492.

The previous prime is 100132481. The next prime is 100132517. The reversal of 100132493 is 394231001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64288324 + 35844169 = 8018^2 + 5987^2 .

It is an emirp because it is prime and its reverse (394231001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100132493 - 2⁴ = 100132477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100132463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50066246 + 50066247.

It is an arithmetic number, because the mean of its divisors is an integer number (50066247).

Almost surely, 2^100132493 is an apocalyptic number.

It is an amenable number.

100132493 is a deficient number, since it is larger than the sum of its proper divisors (1).

100132493 is an equidigital number, since it uses as much as digits as its factorization.

100132493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 100132493 is about 10006.6224571531. The cubic root of 100132493 is about 464.3637855707.

Adding to 100132493 its reverse (394231001), we get a palindrome (494363494).

The spelling of 100132493 in words is "one hundred million, one hundred thirty-two thousand, four hundred ninety-three".