2660351 has 2 divisors, whose sum is σ = 2660352. Its totient is φ = 2660350.

The previous prime is 2660311. The next prime is 2660353. The reversal of 2660351 is 1530662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660351 is a prime.

Together with 2660353, 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 (2660353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330175 + 1330176.

It is an arithmetic number, because the mean of its divisors is an integer number (1330176).

2^2660351 is an apocalyptic number.

2660351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660351 is an equidigital number, since it uses as much as digits as its factorization.

2660351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2660351 is about 1631.0582454345. The cubic root of 2660351 is about 138.5626923623.

The spelling of 2660351 in words is "two million, six hundred sixty thousand, three hundred fifty-one".