1425533553 has 8 divisors (see below), whose sum is σ = 2111901600. Its totient is φ = 950355684.

The previous prime is 1425533519. The next prime is 1425533563. The reversal of 1425533553 is 3553355241.

It is not a de Polignac number, because 1425533553 - 2¹⁸ = 1425271409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425533503) 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 7 ways as a sum of consecutive naturals, for example, 26398743 + ... + 26398796.

It is an arithmetic number, because the mean of its divisors is an integer number (263987700).

Almost surely, 2^1425533553 is an apocalyptic number.

It is an amenable number.

1425533553 is a deficient number, since it is larger than the sum of its proper divisors (686368047).

1425533553 is an equidigital number, since it uses as much as digits as its factorization.

1425533553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52797548 (or 52797542 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 1425533553 is about 37756.2385970849. The cubic root of 1425533553 is about 1125.4489870079.

Adding to 1425533553 its reverse (3553355241), we get a palindrome (4978888794).

The spelling of 1425533553 in words is "one billion, four hundred twenty-five million, five hundred thirty-three thousand, five hundred fifty-three".