2551000133 has 8 divisors (see below), whose sum is σ = 2783363520. Its totient is φ = 2318712480.

The previous prime is 2551000117. The next prime is 2551000157. The reversal of 2551000133 is 3310001552.

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 2551000133 - 2⁴ = 2551000117 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 (2551000163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69473 + ... + 99641.

It is an arithmetic number, because the mean of its divisors is an integer number (347920440).

Almost surely, 2^2551000133 is an apocalyptic number.

It is an amenable number.

2551000133 is a deficient number, since it is larger than the sum of its proper divisors (232363387).

2551000133 is a wasteful number, since it uses less digits than its factorization.

2551000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37867.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 2551000133 is about 50507.4265133356. The cubic root of 2551000133 is about 1366.3757963238.

Adding to 2551000133 its reverse (3310001552), we get a palindrome (5861001685).

The spelling of 2551000133 in words is "two billion, five hundred fifty-one million, one hundred thirty-three", and thus it is an aban number.