1425247808 has 28 divisors (see below), whose sum is σ = 2951195520. Its totient is φ = 681639552.

The previous prime is 1425247801. The next prime is 1425247829. The reversal of 1425247808 is 8087425241.

It is not an unprimeable number, because it can be changed into a prime (1425247801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482648 + ... + 485591.

It is an arithmetic number, because the mean of its divisors is an integer number (105399840).

Almost surely, 2^1425247808 is an apocalyptic number.

It is an amenable number.

1425247808 is an abundant number, since it is smaller than the sum of its proper divisors (1525947712).

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

1425247808 is an equidigital number, since it uses as much as digits as its factorization.

1425247808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968274 (or 968264 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 1425247808 is about 37752.4543308114. The cubic root of 1425247808 is about 1125.3737840754.

The spelling of 1425247808 in words is "one billion, four hundred twenty-five million, two hundred forty-seven thousand, eight hundred eight".