2554650121 has 4 divisors (see below), whose sum is σ = 2554825492. Its totient is φ = 2554474752.

The previous prime is 2554650101. The next prime is 2554650127. The reversal of 2554650121 is 1210564552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 667964025 + 1886686096 = 25845^2 + 43436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554650121 - 2¹¹ = 2554648073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2554650127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63636 + ... + 95701.

It is an arithmetic number, because the mean of its divisors is an integer number (638706373).

Almost surely, 2^2554650121 is an apocalyptic number.

It is an amenable number.

2554650121 is a deficient number, since it is larger than the sum of its proper divisors (175371).

2554650121 is a wasteful number, since it uses less digits than its factorization.

2554650121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175370.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2554650121 is about 50543.5467789905. The cubic root of 2554650121 is about 1367.0271589646.

The spelling of 2554650121 in words is "two billion, five hundred fifty-four million, six hundred fifty thousand, one hundred twenty-one".