1425265783 has 4 divisors (see below), whose sum is σ = 1425787000. Its totient is φ = 1424744568.

The previous prime is 1425265733. The next prime is 1425265799. The reversal of 1425265783 is 3875625241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425265783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425265733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256485 + ... + 261982.

It is an arithmetic number, because the mean of its divisors is an integer number (356446750).

Almost surely, 2^1425265783 is an apocalyptic number.

1425265783 is a deficient number, since it is larger than the sum of its proper divisors (521217).

1425265783 is an equidigital number, since it uses as much as digits as its factorization.

1425265783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521216.

The product of its digits is 403200, while the sum is 43.

The square root of 1425265783 is about 37752.6923940532. The cubic root of 1425265783 is about 1125.3785150676.

The spelling of 1425265783 in words is "one billion, four hundred twenty-five million, two hundred sixty-five thousand, seven hundred eighty-three".