2534645 has 4 divisors (see below), whose sum is σ = 3041580. Its totient is φ = 2027712.

The previous prime is 2534641. The next prime is 2534647. The reversal of 2534645 is 5464352.

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 1002001 + 1532644 = 1001^2 + 1238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534645 - 2² = 2534641 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 5⁵ + 3¹¹ + 4⁴ + 6⁵ + 4⁹ + 5⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2534641) 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, 253460 + ... + 253469.

It is an arithmetic number, because the mean of its divisors is an integer number (760395).

2^2534645 is an apocalyptic number.

It is an amenable number.

2534645 is a deficient number, since it is larger than the sum of its proper divisors (506935).

2534645 is an equidigital number, since it uses as much as digits as its factorization.

2534645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506934.

The product of its digits is 14400, while the sum is 29.

The square root of 2534645 is about 1592.0568457188. The cubic root of 2534645 is about 136.3449468662.

Adding to 2534645 its reverse (5464352), we get a palindrome (7998997).

The spelling of 2534645 in words is "two million, five hundred thirty-four thousand, six hundred forty-five".