2525213341540 has 24 divisors (see below), whose sum is σ = 5303558688120. Its totient is φ = 1009969018368.

The previous prime is 2525213341513. The next prime is 2525213341579. The reversal of 2525213341540 is 451433125252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1182456158464 + 1342757183076 = 1087408^2 + 1158774^2 .

It is a super-2 number, since 2×2525213341540² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2525213341540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7091767 + ... + 7439326.

It is an arithmetic number, because the mean of its divisors is an integer number (220981612005).

Almost surely, 2^{2525213341540} is an apocalyptic number.

2525213341540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525213341540 is an abundant number, since it is smaller than the sum of its proper divisors (2778345346580).

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

2525213341540 is a wasteful number, since it uses less digits than its factorization.

2525213341540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14539791 (or 14539789 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 2525213341540 its reverse (451433125252), we get a palindrome (2976646466792).

The spelling of 2525213341540 in words is "two trillion, five hundred twenty-five billion, two hundred thirteen million, three hundred forty-one thousand, five hundred forty".