261103373 has 2 divisors, whose sum is σ = 261103374. Its totient is φ = 261103372.

The previous prime is 261103361. The next prime is 261103397. The reversal of 261103373 is 373301162.

261103373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233875849 + 27227524 = 15293^2 + 5218^2 .

It is a cyclic number.

It is not a de Polignac number, because 261103373 - 2¹⁰ = 261102349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261103313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130551686 + 130551687.

It is an arithmetic number, because the mean of its divisors is an integer number (130551687).

Almost surely, 2^261103373 is an apocalyptic number.

It is an amenable number.

261103373 is a deficient number, since it is larger than the sum of its proper divisors (1).

261103373 is an equidigital number, since it uses as much as digits as its factorization.

261103373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 261103373 is about 16158.6934187143. The cubic root of 261103373 is about 639.1520125088.

The spelling of 261103373 in words is "two hundred sixty-one million, one hundred three thousand, three hundred seventy-three".