2522540402 has 8 divisors (see below), whose sum is σ = 3784591836. Its totient is φ = 1261009792.

The previous prime is 2522540351. The next prime is 2522540441. The reversal of 2522540402 is 2040452252.

It can be written as a sum of positive squares in 2 ways, for example, as 2444412481 + 78127921 = 49441^2 + 8839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 117863 + ... + 137610.

Almost surely, 2^2522540402 is an apocalyptic number.

2522540402 is a deficient number, since it is larger than the sum of its proper divisors (1262051434).

2522540402 is a wasteful number, since it uses less digits than its factorization.

2522540402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260412.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2522540402 is about 50224.8982278710. The cubic root of 2522540402 is about 1361.2755481672.

Adding to 2522540402 its reverse (2040452252), we get a palindrome (4562992654).

The spelling of 2522540402 in words is "two billion, five hundred twenty-two million, five hundred forty thousand, four hundred two".