1478724825 has 12 divisors (see below), whose sum is σ = 2444825168. Its totient is φ = 788653200.

The previous prime is 1478724811. The next prime is 1478724833. The reversal of 1478724825 is 5284278741.

It is not a de Polignac number, because 1478724825 - 2¹² = 1478720729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9858091 + ... + 9858240.

Almost surely, 2^1478724825 is an apocalyptic number.

1478724825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1478724825 is a deficient number, since it is larger than the sum of its proper divisors (966100343).

1478724825 is a wasteful number, since it uses less digits than its factorization.

1478724825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19716344 (or 19716339 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 48.

The square root of 1478724825 is about 38454.1912540103. The cubic root of 1478724825 is about 1139.2764529957.

The spelling of 1478724825 in words is "one billion, four hundred seventy-eight million, seven hundred twenty-four thousand, eight hundred twenty-five".