2523478547 has 4 divisors (see below), whose sum is σ = 2523581736. Its totient is φ = 2523375360.

The previous prime is 2523478543. The next prime is 2523478549. The reversal of 2523478547 is 7458743252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2523478547 - 2² = 2523478543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523478543) 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, 8147 + ... + 71507.

It is an arithmetic number, because the mean of its divisors is an integer number (630895434).

Almost surely, 2^2523478547 is an apocalyptic number.

2523478547 is a deficient number, since it is larger than the sum of its proper divisors (103189).

2523478547 is an equidigital number, since it uses as much as digits as its factorization.

2523478547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103188.

The product of its digits is 1881600, while the sum is 47.

The square root of 2523478547 is about 50234.2368012096. The cubic root of 2523478547 is about 1361.4442822424. Note that the first 3 decimals are identical.

The spelling of 2523478547 in words is "two billion, five hundred twenty-three million, four hundred seventy-eight thousand, five hundred forty-seven".