2492549 has 2 divisors, whose sum is σ = 2492550. Its totient is φ = 2492548.

The previous prime is 2492527. The next prime is 2492563. The reversal of 2492549 is 9452942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 688900 = 1343^2 + 830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2492549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2492509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246274 + 1246275.

It is an arithmetic number, because the mean of its divisors is an integer number (1246275).

2^2492549 is an apocalyptic number.

It is an amenable number.

2492549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2492549 is an equidigital number, since it uses as much as digits as its factorization.

2492549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 2492549 is about 1578.7808587641. The cubic root of 2492549 is about 135.5859124832.

The spelling of 2492549 in words is "two million, four hundred ninety-two thousand, five hundred forty-nine".