2553545 has 4 divisors (see below), whose sum is σ = 3064260. Its totient is φ = 2042832.

The previous prime is 2553541. The next prime is 2553547. The reversal of 2553545 is 5453552.

It is a happy number.

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 1006009 + 1547536 = 1003^2 + 1244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553545 - 2² = 2553541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2553541) 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, 255350 + ... + 255359.

It is an arithmetic number, because the mean of its divisors is an integer number (766065).

2^2553545 is an apocalyptic number.

It is an amenable number.

2553545 is a deficient number, since it is larger than the sum of its proper divisors (510715).

2553545 is an equidigital number, since it uses as much as digits as its factorization.

2553545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510714.

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

The square root of 2553545 is about 1597.9815393176. The cubic root of 2553545 is about 136.6830008899.

The spelling of 2553545 in words is "two million, five hundred fifty-three thousand, five hundred forty-five".