2547361 has 2 divisors, whose sum is σ = 2547362. Its totient is φ = 2547360.

The previous prime is 2547341. The next prime is 2547397. The reversal of 2547361 is 1637452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 430336 = 1455^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 2547361 - 2⁹ = 2546849 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2547341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273680 + 1273681.

It is an arithmetic number, because the mean of its divisors is an integer number (1273681).

2^2547361 is an apocalyptic number.

It is an amenable number.

2547361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547361 is an equidigital number, since it uses as much as digits as its factorization.

2547361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 2547361 is about 1596.0454254187. The cubic root of 2547361 is about 136.5725751983.

Subtracting from 2547361 its reverse (1637452), we obtain a palindrome (909909).

The spelling of 2547361 in words is "two million, five hundred forty-seven thousand, three hundred sixty-one".