2512257740 has 24 divisors (see below), whose sum is σ = 5316019632. Its totient is φ = 997231040.

The previous prime is 2512257667. The next prime is 2512257743. The reversal of 2512257740 is 477522152.

It is a super-2 number, since 2×2512257740² = 12622877904379815200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2512257740.

It is not an unprimeable number, because it can be changed into a prime (2512257743) 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, 476819 + ... + 482058.

It is an arithmetic number, because the mean of its divisors is an integer number (221500818).

Almost surely, 2^2512257740 is an apocalyptic number.

2512257740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2512257740 is an abundant number, since it is smaller than the sum of its proper divisors (2803761892).

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

2512257740 is a wasteful number, since it uses less digits than its factorization.

2512257740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959017 (or 959015 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 2512257740 is about 50122.4275150356. The cubic root of 2512257740 is about 1359.4233678584.

Adding to 2512257740 its reverse (477522152), we get a palindrome (2989779892).

The spelling of 2512257740 in words is "two billion, five hundred twelve million, two hundred fifty-seven thousand, seven hundred forty".