It is a congruent number.
It is an unprimeable number.
Almost surely, 22522520540 is an apocalyptic number.
2522520540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2522520540 is a wasteful number, since it uses less digits than its factorization.
2522520540 is an evil number, because the sum of its binary digits is even.
The square root of 2522520540 is about 50224.7004968671. The cubic root of 2522520540 is about 1361.2719753502.
Adding to 2522520540 its reverse (450252252), we get a palindrome (2972772792).
The spelling of 2522520540 in words is "two billion, five hundred twenty-two million, five hundred twenty thousand, five hundred forty".