4972549 has 2 divisors, whose sum is σ = 4972550. Its totient is φ = 4972548.

The previous prime is 4972529. The next prime is 4972559. The reversal of 4972549 is 9452794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 1979649 = 1730^2 + 1407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4972549 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4972529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2486274 + 2486275.

It is an arithmetic number, because the mean of its divisors is an integer number (2486275).

Almost surely, 2^4972549 is an apocalyptic number.

It is an amenable number.

4972549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4972549 is an equidigital number, since it uses as much as digits as its factorization.

4972549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 4972549 is about 2229.9212990597. The cubic root of 4972549 is about 170.6840832208.

The spelling of 4972549 in words is "four million, nine hundred seventy-two thousand, five hundred forty-nine".