2972549 has 2 divisors, whose sum is σ = 2972550. Its totient is φ = 2972548.

The previous prime is 2972537. The next prime is 2972551. The reversal of 2972549 is 9452792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2951524 + 21025 = 1718^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2972549 - 2¹² = 2968453 is a prime.

Together with 2972551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2972149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486274 + 1486275.

It is an arithmetic number, because the mean of its divisors is an integer number (1486275).

2^2972549 is an apocalyptic number.

It is an amenable number.

2972549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972549 is an equidigital number, since it uses as much as digits as its factorization.

2972549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 2972549 is about 1724.1081752605. The cubic root of 2972549 is about 143.7837062737.

The spelling of 2972549 in words is "two million, nine hundred seventy-two thousand, five hundred forty-nine".