1554001133 has 4 divisors (see below), whose sum is σ = 1554091068. Its totient is φ = 1553911200.

The previous prime is 1554001117. The next prime is 1554001157. The reversal of 1554001133 is 3311004551.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 566344804 + 987656329 = 23798^2 + 31427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1554001133 - 2⁴ = 1554001117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1554001099 and 1554001108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554001103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9968 + ... + 56633.

It is an arithmetic number, because the mean of its divisors is an integer number (388522767).

Almost surely, 2^1554001133 is an apocalyptic number.

It is an amenable number.

1554001133 is a deficient number, since it is larger than the sum of its proper divisors (89935).

1554001133 is an equidigital number, since it uses as much as digits as its factorization.

1554001133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89934.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1554001133 is about 39420.8210594351. The cubic root of 1554001133 is about 1158.2894757969.

Adding to 1554001133 its reverse (3311004551), we get a palindrome (4865005684).

The spelling of 1554001133 in words is "one billion, five hundred fifty-four million, one thousand, one hundred thirty-three".