2553541 has 2 divisors, whose sum is σ = 2553542. Its totient is φ = 2553540.

The previous prime is 2553539. The next prime is 2553547. The reversal of 2553541 is 1453552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2313441 + 240100 = 1521^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553541 - 2¹ = 2553539 is a prime.

Together with 2553539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2553547) 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 as a sum of consecutive naturals, namely, 1276770 + 1276771.

It is an arithmetic number, because the mean of its divisors is an integer number (1276771).

2^2553541 is an apocalyptic number.

It is an amenable number.

2553541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553541 is an equidigital number, since it uses as much as digits as its factorization.

2553541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 25.

The square root of 2553541 is about 1597.9802877382. The cubic root of 2553541 is about 136.6829295208.

The spelling of 2553541 in words is "two million, five hundred fifty-three thousand, five hundred forty-one".