2545355 has 4 divisors (see below), whose sum is σ = 3054432. Its totient is φ = 2036280.

The previous prime is 2545343. The next prime is 2545357. The reversal of 2545355 is 5535452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2545355 - 2¹⁰ = 2544331 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁴ + 4⁷ + 5⁶ + 3⁹ + 5⁶ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545357) 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, 254531 + ... + 254540.

It is an arithmetic number, because the mean of its divisors is an integer number (763608).

2^2545355 is an apocalyptic number.

2545355 is a deficient number, since it is larger than the sum of its proper divisors (509077).

2545355 is an equidigital number, since it uses as much as digits as its factorization.

2545355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509076.

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

The square root of 2545355 is about 1595.4168734221. The cubic root of 2545355 is about 136.5367163191.

The spelling of 2545355 in words is "two million, five hundred forty-five thousand, three hundred fifty-five".