2512400043 has 8 divisors (see below), whose sum is σ = 3350677968. Its totient is φ = 1674527744.

The previous prime is 2512400021. The next prime is 2512400069. The reversal of 2512400043 is 3400042152.

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

It is a cyclic number.

It is not a de Polignac number, because 2512400043 - 2¹⁶ = 2512334507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2512399992 and 2512400019.

It is not an unprimeable number, because it can be changed into a prime (2512400543) 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, 86646 + ... + 111947.

It is an arithmetic number, because the mean of its divisors is an integer number (418834746).

Almost surely, 2^2512400043 is an apocalyptic number.

2512400043 is a deficient number, since it is larger than the sum of its proper divisors (838277925).

2512400043 is a wasteful number, since it uses less digits than its factorization.

2512400043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202813.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2512400043 is about 50123.8470490843. The cubic root of 2512400043 is about 1359.4490348601.

Adding to 2512400043 its reverse (3400042152), we get a palindrome (5912442195).

The spelling of 2512400043 in words is "two billion, five hundred twelve million, four hundred thousand, forty-three".