1425020663 has 8 divisors (see below), whose sum is σ = 1575864336. Its totient is φ = 1277726400.

The previous prime is 1425020603. The next prime is 1425020669. The reversal of 1425020663 is 3660205241.

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

It is a cyclic number.

It is not a de Polignac number, because 1425020663 - 2²⁰ = 1423972087 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 (1425020669) 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, 886508 + ... + 888113.

It is an arithmetic number, because the mean of its divisors is an integer number (196983042).

Almost surely, 2^1425020663 is an apocalyptic number.

1425020663 is a deficient number, since it is larger than the sum of its proper divisors (150843673).

1425020663 is a wasteful number, since it uses less digits than its factorization.

1425020663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774705.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1425020663 is about 37749.4458634826. The cubic root of 1425020663 is about 1125.3139964353.

The spelling of 1425020663 in words is "one billion, four hundred twenty-five million, twenty thousand, six hundred sixty-three".