1425443553 has 12 divisors (see below), whose sum is σ = 2059309200. Its totient is φ = 950141016.

The previous prime is 1425443527. The next prime is 1425443573. The reversal of 1425443553 is 3553445241.

1425443553 is a `hidden beast` number, since 14 + 2 + 54 + 43 + 553 = 666.

It is not a de Polignac number, because 1425443553 - 2⁸ = 1425443297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425443573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83050 + ... + 98732.

It is an arithmetic number, because the mean of its divisors is an integer number (171609100).

Almost surely, 2^1425443553 is an apocalyptic number.

It is an amenable number.

1425443553 is a deficient number, since it is larger than the sum of its proper divisors (633865647).

1425443553 is a wasteful number, since it uses less digits than its factorization.

1425443553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25788 (or 25785 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 1425443553 is about 37755.0467222595. The cubic root of 1425443553 is about 1125.4253017147.

Adding to 1425443553 its reverse (3553445241), we get a palindrome (4978888794).

The spelling of 1425443553 in words is "one billion, four hundred twenty-five million, four hundred forty-three thousand, five hundred fifty-three".