103530247 has 2 divisors, whose sum is σ = 103530248. Its totient is φ = 103530246.

The previous prime is 103530241. The next prime is 103530257. The reversal of 103530247 is 742035301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103530247 - 2³ = 103530239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103530241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51765123 + 51765124.

It is an arithmetic number, because the mean of its divisors is an integer number (51765124).

Almost surely, 2^103530247 is an apocalyptic number.

103530247 is a deficient number, since it is larger than the sum of its proper divisors (1).

103530247 is an equidigital number, since it uses as much as digits as its factorization.

103530247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 103530247 is about 10174.9814250445. The cubic root of 103530247 is about 469.5578261755.

Adding to 103530247 its reverse (742035301), we get a palindrome (845565548).

The spelling of 103530247 in words is "one hundred three million, five hundred thirty thousand, two hundred forty-seven".