1494393825 has 12 divisors (see below), whose sum is σ = 2470731248. Its totient is φ = 797010000.

The previous prime is 1494393821. The next prime is 1494393839. The reversal of 1494393825 is 5283934941.

It is not a de Polignac number, because 1494393825 - 2² = 1494393821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1494393821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9962551 + ... + 9962700.

Almost surely, 2^1494393825 is an apocalyptic number.

1494393825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1494393825 is a deficient number, since it is larger than the sum of its proper divisors (976337423).

1494393825 is a wasteful number, since it uses less digits than its factorization.

1494393825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19925264 (or 19925259 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 1494393825 is about 38657.3903025023. The cubic root of 1494393825 is about 1143.2863581089.

The spelling of 1494393825 in words is "one billion, four hundred ninety-four million, three hundred ninety-three thousand, eight hundred twenty-five".