2545510242 has 16 divisors (see below), whose sum is σ = 5553840672. Its totient is φ = 771366720.

The previous prime is 2545510241. The next prime is 2545510267. The reversal of 2545510242 is 2420155452.

It is not an unprimeable number, because it can be changed into a prime (2545510241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19284103 + ... + 19284234.

It is an arithmetic number, because the mean of its divisors is an integer number (347115042).

Almost surely, 2^2545510242 is an apocalyptic number.

2545510242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2545510242 is an abundant number, since it is smaller than the sum of its proper divisors (3008330430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545510242 is a wasteful number, since it uses less digits than its factorization.

2545510242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38568353.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2545510242 is about 50453.0498780797. The cubic root of 2545510242 is about 1365.3949206837.

Adding to 2545510242 its reverse (2420155452), we get a palindrome (4965665694).

The spelling of 2545510242 in words is "two billion, five hundred forty-five million, five hundred ten thousand, two hundred forty-two".