249173341 has 2 divisors, whose sum is σ = 249173342. Its totient is φ = 249173340.

The previous prime is 249173333. The next prime is 249173357. The reversal of 249173341 is 143371942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248724441 + 448900 = 15771^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 249173341 - 2³ = 249173333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249173297 and 249173306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249173321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124586670 + 124586671.

It is an arithmetic number, because the mean of its divisors is an integer number (124586671).

Almost surely, 2^249173341 is an apocalyptic number.

It is an amenable number.

249173341 is a deficient number, since it is larger than the sum of its proper divisors (1).

249173341 is an equidigital number, since it uses as much as digits as its factorization.

249173341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 249173341 is about 15785.2254022551. The cubic root of 249173341 is about 629.2654081673.

The spelling of 249173341 in words is "two hundred forty-nine million, one hundred seventy-three thousand, three hundred forty-one".