2554553 has 2 divisors, whose sum is σ = 2554554. Its totient is φ = 2554552.

The previous prime is 2554549. The next prime is 2554561. The reversal of 2554553 is 3554552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1607824 + 946729 = 1268^2 + 973^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554553 - 2² = 2554549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2554543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277276 + 1277277.

It is an arithmetic number, because the mean of its divisors is an integer number (1277277).

2^2554553 is an apocalyptic number.

It is an amenable number.

2554553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554553 is an equidigital number, since it uses as much as digits as its factorization.

2554553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15000, while the sum is 29.

The square root of 2554553 is about 1598.2969060847. The cubic root of 2554553 is about 136.7009835167.

Subtracting 2554553 from its reverse (3554552), we obtain a palindrome (999999).

The spelling of 2554553 in words is "two million, five hundred fifty-four thousand, five hundred fifty-three".