2543460415 has 4 divisors (see below), whose sum is σ = 3052152504. Its totient is φ = 2034768328.

The previous prime is 2543460397. The next prime is 2543460419. The reversal of 2543460415 is 5140643452.

2543460415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2543460415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543460419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254346037 + ... + 254346046.

It is an arithmetic number, because the mean of its divisors is an integer number (763038126).

Almost surely, 2^2543460415 is an apocalyptic number.

2543460415 is a deficient number, since it is larger than the sum of its proper divisors (508692089).

2543460415 is an equidigital number, since it uses as much as digits as its factorization.

2543460415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508692088.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2543460415 is about 50432.7315837641. The cubic root of 2543460415 is about 1365.0283176958.

It can be divided in two parts, 25434 and 60415, that added together give a square (85849 = 293²).

The spelling of 2543460415 in words is "two billion, five hundred forty-three million, four hundred sixty thousand, four hundred fifteen".