2792521 has 2 divisors, whose sum is σ = 2792522. Its totient is φ = 2792520.

The previous prime is 2792513. The next prime is 2792557. The reversal of 2792521 is 1252972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 929296 = 1365^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2792521 - 2³ = 2792513 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2792521.

It is not a weakly prime, because it can be changed into another prime (2792561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396260 + 1396261.

It is an arithmetic number, because the mean of its divisors is an integer number (1396261).

2^2792521 is an apocalyptic number.

It is an amenable number.

2792521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2792521 is an equidigital number, since it uses as much as digits as its factorization.

2792521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 2792521 is about 1671.0837800661. The cubic root of 2792521 is about 140.8203704870.

The spelling of 2792521 in words is "two million, seven hundred ninety-two thousand, five hundred twenty-one".