2554521 has 4 divisors (see below), whose sum is σ = 3406032. Its totient is φ = 1703012.

The previous prime is 2554481. The next prime is 2554529. The reversal of 2554521 is 1254552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2554521 - 2⁶ = 2554457 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2554491 and 2554500.

It is not an unprimeable number, because it can be changed into a prime (2554529) 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, 425751 + ... + 425756.

It is an arithmetic number, because the mean of its divisors is an integer number (851508).

2^2554521 is an apocalyptic number.

It is an amenable number.

2554521 is a deficient number, since it is larger than the sum of its proper divisors (851511).

2554521 is an equidigital number, since it uses as much as digits as its factorization.

2554521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851510.

The product of its digits is 2000, while the sum is 24.

The square root of 2554521 is about 1598.2868953977. The cubic root of 2554521 is about 136.7004127123.

The spelling of 2554521 in words is "two million, five hundred fifty-four thousand, five hundred twenty-one".