100493287 has 4 divisors (see below), whose sum is σ = 100763080. Its totient is φ = 100223496.

The previous prime is 100493269. The next prime is 100493297. The reversal of 100493287 is 782394001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100493287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100493297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134337 + ... + 135082.

It is an arithmetic number, because the mean of its divisors is an integer number (25190770).

Almost surely, 2^100493287 is an apocalyptic number.

100493287 is a deficient number, since it is larger than the sum of its proper divisors (269793).

100493287 is an equidigital number, since it uses as much as digits as its factorization.

100493287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269792.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 100493287 is about 10024.6340082818. The cubic root of 100493287 is about 464.9208436579.

The spelling of 100493287 in words is "one hundred million, four hundred ninety-three thousand, two hundred eighty-seven".