103280493 has 4 divisors (see below), whose sum is σ = 137707328. Its totient is φ = 68853660.

The previous prime is 103280483. The next prime is 103280509. The reversal of 103280493 is 394082301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103280493 - 2⁴ = 103280477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103280493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103280483) 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, 17213413 + ... + 17213418.

It is an arithmetic number, because the mean of its divisors is an integer number (34426832).

Almost surely, 2^103280493 is an apocalyptic number.

It is an amenable number.

103280493 is a deficient number, since it is larger than the sum of its proper divisors (34426835).

103280493 is an equidigital number, since it uses as much as digits as its factorization.

103280493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34426834.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 103280493 is about 10162.7010681216. The cubic root of 103280493 is about 469.1799386231.

The spelling of 103280493 in words is "one hundred three million, two hundred eighty thousand, four hundred ninety-three".