1494741251 has 2 divisors, whose sum is σ = 1494741252. Its totient is φ = 1494741250.

The previous prime is 1494741239. The next prime is 1494741293. The reversal of 1494741251 is 1521474941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1494741251 - 2¹⁰ = 1494740227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1494741221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747370625 + 747370626.

It is an arithmetic number, because the mean of its divisors is an integer number (747370626).

Almost surely, 2^1494741251 is an apocalyptic number.

1494741251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494741251 is an equidigital number, since it uses as much as digits as its factorization.

1494741251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 1494741251 is about 38661.8836969954. The cubic root of 1494741251 is about 1143.3749506923.

The spelling of 1494741251 in words is "one billion, four hundred ninety-four million, seven hundred forty-one thousand, two hundred fifty-one".