2545531422 has 32 divisors (see below), whose sum is σ = 6124588800. Its totient is φ = 689015808.

The previous prime is 2545531393. The next prime is 2545531423. The reversal of 2545531422 is 2241355452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545531423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594147 + ... + 1595742.

It is an arithmetic number, because the mean of its divisors is an integer number (191393400).

Almost surely, 2^2545531422 is an apocalyptic number.

2545531422 is an abundant number, since it is smaller than the sum of its proper divisors (3579057378).

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

2545531422 is a wasteful number, since it uses less digits than its factorization.

2545531422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189920.

The product of its digits is 48000, while the sum is 33.

The square root of 2545531422 is about 50453.2597757568. The cubic root of 2545531422 is about 1365.3987076107.

Adding to 2545531422 its reverse (2241355452), we get a palindrome (4786886874).

The spelling of 2545531422 in words is "two billion, five hundred forty-five million, five hundred thirty-one thousand, four hundred twenty-two".