2547423 has 8 divisors (see below), whose sum is σ = 3774000. Its totient is φ = 1698264.

The previous prime is 2547397. The next prime is 2547431. The reversal of 2547423 is 3247452.

It is not a de Polignac number, because 2547423 - 2⁹ = 2546911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 94349 = 2547423 / (2 + 5 + 4 + 7 + 4 + 2 + 3).

It is a d-powerful number, because it can be written as 2⁷ + 5⁹ + 4⁶ + 7 + 4⁸ + 2¹⁹ + 3⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547473) 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, 47148 + ... + 47201.

It is an arithmetic number, because the mean of its divisors is an integer number (471750).

2^2547423 is an apocalyptic number.

2547423 is a deficient number, since it is larger than the sum of its proper divisors (1226577).

2547423 is an equidigital number, since it uses as much as digits as its factorization.

2547423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94358 (or 94352 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2547423 is about 1596.0648483066. The cubic root of 2547423 is about 136.5736831987.

2547423 divided by its sum of digits (27) gives a palindrome (94349).

The spelling of 2547423 in words is "two million, five hundred forty-seven thousand, four hundred twenty-three".