494272451 has 2 divisors, whose sum is σ = 494272452. Its totient is φ = 494272450.

The previous prime is 494272439. The next prime is 494272459. The reversal of 494272451 is 154272494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494272451 - 2²⁶ = 427163587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494272459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247136225 + 247136226.

It is an arithmetic number, because the mean of its divisors is an integer number (247136226).

Almost surely, 2^494272451 is an apocalyptic number.

494272451 is a deficient number, since it is larger than the sum of its proper divisors (1).

494272451 is an equidigital number, since it uses as much as digits as its factorization.

494272451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 494272451 is about 22232.2390010543. The cubic root of 494272451 is about 790.6582405809.

The spelling of 494272451 in words is "four hundred ninety-four million, two hundred seventy-two thousand, four hundred fifty-one".