1425203555 has 16 divisors (see below), whose sum is σ = 1757735904. Its totient is φ = 1108546560.

The previous prime is 1425203539. The next prime is 1425203597. The reversal of 1425203555 is 5553025241.

It is not a de Polignac number, because 1425203555 - 2⁴ = 1425203539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478220 + ... + 481190.

It is an arithmetic number, because the mean of its divisors is an integer number (109858494).

Almost surely, 2^1425203555 is an apocalyptic number.

1425203555 is a deficient number, since it is larger than the sum of its proper divisors (332532349).

1425203555 is a wasteful number, since it uses less digits than its factorization.

1425203555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1425203555 is about 37751.8682319167. The cubic root of 1425203555 is about 1125.3621365847.

Adding to 1425203555 its reverse (5553025241), we get a palindrome (6978228796).

The spelling of 1425203555 in words is "one billion, four hundred twenty-five million, two hundred three thousand, five hundred fifty-five".