2547463 has 4 divisors (see below), whose sum is σ = 2681560. Its totient is φ = 2413368.

The previous prime is 2547451. The next prime is 2547469. The reversal of 2547463 is 3647452.

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

It is a cyclic number.

It is not a de Polignac number, because 2547463 - 2⁵ = 2547431 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 4⁵ + 7 + 4⁸ + 6⁴ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67020 + ... + 67057.

It is an arithmetic number, because the mean of its divisors is an integer number (670390).

2^2547463 is an apocalyptic number.

2547463 is a deficient number, since it is larger than the sum of its proper divisors (134097).

2547463 is a wasteful number, since it uses less digits than its factorization.

2547463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134096.

The product of its digits is 20160, while the sum is 31.

The square root of 2547463 is about 1596.0773790766. The cubic root of 2547463 is about 136.5743980281.

The spelling of 2547463 in words is "two million, five hundred forty-seven thousand, four hundred sixty-three".