1425384518 has 32 divisors (see below), whose sum is σ = 2203200000. Its totient is φ = 691423200.

The previous prime is 1425384479. The next prime is 1425384523. The reversal of 1425384518 is 8154835241.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2856233 + ... + 2856731.

It is an arithmetic number, because the mean of its divisors is an integer number (68850000).

Almost surely, 2^1425384518 is an apocalyptic number.

1425384518 is a deficient number, since it is larger than the sum of its proper divisors (777815482).

1425384518 is a wasteful number, since it uses less digits than its factorization.

1425384518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its digits is 153600, while the sum is 41.

The square root of 1425384518 is about 37754.2648981542. The cubic root of 1425384518 is about 1125.4097649367.

The spelling of 1425384518 in words is "one billion, four hundred twenty-five million, three hundred eighty-four thousand, five hundred eighteen".