1478934825 has 48 divisors (see below), whose sum is σ = 2656972800. Its totient is φ = 723124800.

The previous prime is 1478934817. The next prime is 1478934829. The reversal of 1478934825 is 5284398741.

It is a happy number.

It is not a de Polignac number, because 1478934825 - 2³ = 1478934817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1478934829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27436 + ... + 60914.

It is an arithmetic number, because the mean of its divisors is an integer number (55353600).

Almost surely, 2^1478934825 is an apocalyptic number.

1478934825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1478934825 is a deficient number, since it is larger than the sum of its proper divisors (1178037975).

1478934825 is a wasteful number, since it uses less digits than its factorization.

1478934825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33542 (or 33537 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 1478934825 is about 38456.9216786783. The cubic root of 1478934825 is about 1139.3303816073.

The spelling of 1478934825 in words is "one billion, four hundred seventy-eight million, nine hundred thirty-four thousand, eight hundred twenty-five".