2554557 has 4 divisors (see below), whose sum is σ = 3406080. Its totient is φ = 1703036.

The previous prime is 2554553. The next prime is 2554561. The reversal of 2554557 is 7554552.

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 an interprime number because it is at equal distance from previous prime (2554553) and next prime (2554561).

It is a cyclic number.

It is not a de Polignac number, because 2554557 - 2² = 2554553 is a prime.

It is a super-2 number, since 2×2554557² = 13051522932498, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425757 + ... + 425762.

It is an arithmetic number, because the mean of its divisors is an integer number (851520).

2^2554557 is an apocalyptic number.

It is an amenable number.

2554557 is a deficient number, since it is larger than the sum of its proper divisors (851523).

2554557 is an equidigital number, since it uses as much as digits as its factorization.

2554557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851522.

The product of its digits is 35000, while the sum is 33.

The square root of 2554557 is about 1598.2981574162. The cubic root of 2554557 is about 136.7010548669.

The spelling of 2554557 in words is "two million, five hundred fifty-four thousand, five hundred fifty-seven".