1425218025 has 192 divisors, whose sum is σ = 3199795200. Its totient is φ = 541728000.

The previous prime is 1425218017. The next prime is 1425218033. The reversal of 1425218025 is 5208125241.

It is an interprime number because it is at equal distance from previous prime (1425218017) and next prime (1425218033).

It is not a de Polignac number, because 1425218025 - 2³ = 1425218017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1425217983 and 1425218001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3401266 + ... + 3401684.

It is an arithmetic number, because the mean of its divisors is an integer number (16665600).

Almost surely, 2^1425218025 is an apocalyptic number.

1425218025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425218025 is an abundant number, since it is smaller than the sum of its proper divisors (1774577175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425218025 is a wasteful number, since it uses less digits than its factorization.

1425218025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 1425218025 is about 37752.0598775749. The cubic root of 1425218025 is about 1125.3659451483.

The spelling of 1425218025 in words is "one billion, four hundred twenty-five million, two hundred eighteen thousand, twenty-five".