103030261 has 2 divisors, whose sum is σ = 103030262. Its totient is φ = 103030260.

The previous prime is 103030247. The next prime is 103030289. The reversal of 103030261 is 162030301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72846225 + 30184036 = 8535^2 + 5494^2 .

It is a cyclic number.

It is not a de Polignac number, because 103030261 - 2¹⁵ = 102997493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103030211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515130 + 51515131.

It is an arithmetic number, because the mean of its divisors is an integer number (51515131).

Almost surely, 2^103030261 is an apocalyptic number.

It is an amenable number.

103030261 is a deficient number, since it is larger than the sum of its proper divisors (1).

103030261 is an equidigital number, since it uses as much as digits as its factorization.

103030261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 103030261 is about 10150.3823080710. The cubic root of 103030261 is about 468.8007163851.

Adding to 103030261 its reverse (162030301), we get a palindrome (265060562).

The spelling of 103030261 in words is "one hundred three million, thirty thousand, two hundred sixty-one".