494551441 has 2 divisors, whose sum is σ = 494551442. Its totient is φ = 494551440.

The previous prime is 494551439. The next prime is 494551457. The reversal of 494551441 is 144155494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426009600 + 68541841 = 20640^2 + 8279^2 .

It is a cyclic number.

It is not a de Polignac number, because 494551441 - 2¹ = 494551439 is a prime.

It is a super-2 number, since 2×494551441² = 489162255590352962, which contains 22 as substring.

Together with 494551439, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494551441.

It is not a weakly prime, because it can be changed into another prime (494555441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247275720 + 247275721.

It is an arithmetic number, because the mean of its divisors is an integer number (247275721).

Almost surely, 2^494551441 is an apocalyptic number.

It is an amenable number.

494551441 is a deficient number, since it is larger than the sum of its proper divisors (1).

494551441 is an equidigital number, since it uses as much as digits as its factorization.

494551441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The square root of 494551441 is about 22238.5125626693. The cubic root of 494551441 is about 790.8069738367.

The spelling of 494551441 in words is "four hundred ninety-four million, five hundred fifty-one thousand, four hundred forty-one".