103009273 has 4 divisors (see below), whose sum is σ = 109068660. Its totient is φ = 96949888.

The previous prime is 103009271. The next prime is 103009337. The reversal of 103009273 is 372900301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 372900301 = 97 ⋅3844333.

It can be written as a sum of positive squares in 2 ways, for example, as 70610409 + 32398864 = 8403^2 + 5692^2 .

It is a cyclic number.

It is not a de Polignac number, because 103009273 - 2¹ = 103009271 is a prime.

It is a super-2 number, since 2×103009273² = 21221820647977058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103009271) 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, 3029668 + ... + 3029701.

It is an arithmetic number, because the mean of its divisors is an integer number (27267165).

Almost surely, 2^103009273 is an apocalyptic number.

It is an amenable number.

103009273 is a deficient number, since it is larger than the sum of its proper divisors (6059387).

103009273 is an equidigital number, since it uses as much as digits as its factorization.

103009273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059386.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 103009273 is about 10149.3484027301. The cubic root of 103009273 is about 468.7688815387.

Adding to 103009273 its reverse (372900301), we get a palindrome (475909574).

It can be divided in two parts, 1030092 and 73, that multiplied together give a triangular number (75196716 = T₁₂₂₆₃).

The spelling of 103009273 in words is "one hundred three million, nine thousand, two hundred seventy-three".