494014621 has 2 divisors, whose sum is σ = 494014622. Its totient is φ = 494014620.

The previous prime is 494014597. The next prime is 494014637. The reversal of 494014621 is 126410494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390260025 + 103754596 = 19755^2 + 10186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494014621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494018621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247007310 + 247007311.

It is an arithmetic number, because the mean of its divisors is an integer number (247007311).

Almost surely, 2^494014621 is an apocalyptic number.

It is an amenable number.

494014621 is a deficient number, since it is larger than the sum of its proper divisors (1).

494014621 is an equidigital number, since it uses as much as digits as its factorization.

494014621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 494014621 is about 22226.4396834041. The cubic root of 494014621 is about 790.5207382310.

The spelling of 494014621 in words is "four hundred ninety-four million, fourteen thousand, six hundred twenty-one".