323450261 has 2 divisors, whose sum is σ = 323450262. Its totient is φ = 323450260.

The previous prime is 323450233. The next prime is 323450273. The reversal of 323450261 is 162054323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189585361 + 133864900 = 13769^2 + 11570^2 .

It is a cyclic number.

It is not a de Polignac number, because 323450261 - 2¹⁰ = 323449237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323450261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323450201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161725130 + 161725131.

It is an arithmetic number, because the mean of its divisors is an integer number (161725131).

Almost surely, 2^323450261 is an apocalyptic number.

It is an amenable number.

323450261 is a deficient number, since it is larger than the sum of its proper divisors (1).

323450261 is an equidigital number, since it uses as much as digits as its factorization.

323450261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 323450261 is about 17984.7229892484. The cubic root of 323450261 is about 686.4398725000.

The spelling of 323450261 in words is "three hundred twenty-three million, four hundred fifty thousand, two hundred sixty-one".