1425947685 has 8 divisors (see below), whose sum is σ = 2281516320. Its totient is φ = 760505424.

The previous prime is 1425947681. The next prime is 1425947687. The reversal of 1425947685 is 5867495241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1425947685 - 2² = 1425947681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425947681) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47531575 + ... + 47531604.

It is an arithmetic number, because the mean of its divisors is an integer number (285189540).

Almost surely, 2^1425947685 is an apocalyptic number.

1425947685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425947685 is a deficient number, since it is larger than the sum of its proper divisors (855568635).

1425947685 is an equidigital number, since it uses as much as digits as its factorization.

1425947685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95063187.

The product of its digits is 2419200, while the sum is 51.

The square root of 1425947685 is about 37761.7224845478. The cubic root of 1425947685 is about 1125.5579612494.

The spelling of 1425947685 in words is "one billion, four hundred twenty-five million, nine hundred forty-seven thousand, six hundred eighty-five".