2545243011 has 6 divisors (see below), whose sum is σ = 3676462140. Its totient is φ = 1696828668.

The previous prime is 2545243007. The next prime is 2545243013. The reversal of 2545243011 is 1103425452.

It is not a de Polignac number, because 2545243011 - 2² = 2545243007 is a prime.

It is a super-2 number, since 2×2545243011² = 12956523970088692242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2545243013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141402381 + ... + 141402398.

It is an arithmetic number, because the mean of its divisors is an integer number (612743690).

Almost surely, 2^2545243011 is an apocalyptic number.

2545243011 is a deficient number, since it is larger than the sum of its proper divisors (1131219129).

2545243011 is a wasteful number, since it uses less digits than its factorization.

2545243011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282804785 (or 282804782 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2545243011 is about 50450.4014949336. The cubic root of 2545243011 is about 1365.3471386957.

Adding to 2545243011 its reverse (1103425452), we get a palindrome (3648668463).

The spelling of 2545243011 in words is "two billion, five hundred forty-five million, two hundred forty-three thousand, eleven".