44972549 has 2 divisors, whose sum is σ = 44972550. Its totient is φ = 44972548.

The previous prime is 44972507. The next prime is 44972569. The reversal of 44972549 is 94527944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37736449 + 7236100 = 6143^2 + 2690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44972549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44972569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22486274 + 22486275.

It is an arithmetic number, because the mean of its divisors is an integer number (22486275).

Almost surely, 2^44972549 is an apocalyptic number.

It is an amenable number.

44972549 is a deficient number, since it is larger than the sum of its proper divisors (1).

44972549 is an equidigital number, since it uses as much as digits as its factorization.

44972549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 44972549 is about 6706.1575436311. The cubic root of 44972549 is about 355.6169896052.

The spelling of 44972549 in words is "forty-four million, nine hundred seventy-two thousand, five hundred forty-nine".