321050461 has 2 divisors, whose sum is σ = 321050462. Its totient is φ = 321050460.

The previous prime is 321050407. The next prime is 321050489. The reversal of 321050461 is 164050123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269124025 + 51926436 = 16405^2 + 7206^2 .

It is a cyclic number.

It is not a de Polignac number, because 321050461 - 2¹³ = 321042269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321050161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160525230 + 160525231.

It is an arithmetic number, because the mean of its divisors is an integer number (160525231).

Almost surely, 2^321050461 is an apocalyptic number.

It is an amenable number.

321050461 is a deficient number, since it is larger than the sum of its proper divisors (1).

321050461 is an equidigital number, since it uses as much as digits as its factorization.

321050461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 321050461 is about 17917.8810410160. The cubic root of 321050461 is about 684.7380041267.

The spelling of 321050461 in words is "three hundred twenty-one million, fifty thousand, four hundred sixty-one".