2720953 has 2 divisors, whose sum is σ = 2720954. Its totient is φ = 2720952.

The previous prime is 2720917. The next prime is 2720981. The reversal of 2720953 is 3590272.

It is an a-pointer prime, because the next prime (2720981) can be obtained adding 2720953 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774224 + 946729 = 1332^2 + 973^2 .

It is a cyclic number.

It is not a de Polignac number, because 2720953 - 2⁹ = 2720441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2727953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360476 + 1360477.

It is an arithmetic number, because the mean of its divisors is an integer number (1360477).

2^2720953 is an apocalyptic number.

It is an amenable number.

2720953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720953 is an equidigital number, since it uses as much as digits as its factorization.

2720953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2720953 is about 1649.5311455077. The cubic root of 2720953 is about 139.6069417160.

The spelling of 2720953 in words is "two million, seven hundred twenty thousand, nine hundred fifty-three".