494632321 has 2 divisors, whose sum is σ = 494632322. Its totient is φ = 494632320.

The previous prime is 494632291. The next prime is 494632331. The reversal of 494632321 is 123236494.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482417296 + 12215025 = 21964^2 + 3495^2 .

It is a cyclic number.

It is not a de Polignac number, because 494632321 - 2²⁵ = 461077889 is a prime.

It is a super-2 number, since 2×494632321² = 489322265955694082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (494632331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247316160 + 247316161.

It is an arithmetic number, because the mean of its divisors is an integer number (247316161).

Almost surely, 2^494632321 is an apocalyptic number.

It is an amenable number.

494632321 is a deficient number, since it is larger than the sum of its proper divisors (1).

494632321 is an equidigital number, since it uses as much as digits as its factorization.

494632321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 494632321 is about 22240.3309552713. The cubic root of 494632321 is about 790.8500815745.

The spelling of 494632321 in words is "four hundred ninety-four million, six hundred thirty-two thousand, three hundred twenty-one".