1425005218 has 32 divisors (see below), whose sum is σ = 2632734720. Its totient is φ = 563319360.

The previous prime is 1425005209. The next prime is 1425005237. The reversal of 1425005218 is 8125005241.

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, 382348 + ... + 386056.

It is an arithmetic number, because the mean of its divisors is an integer number (82272960).

Almost surely, 2^1425005218 is an apocalyptic number.

1425005218 is a deficient number, since it is larger than the sum of its proper divisors (1207729502).

1425005218 is a wasteful number, since it uses less digits than its factorization.

1425005218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 1425005218 is about 37749.2412903889. The cubic root of 1425005218 is about 1125.3099308714.

The spelling of 1425005218 in words is "one billion, four hundred twenty-five million, five thousand, two hundred eighteen".