2566351 has 2 divisors, whose sum is σ = 2566352. Its totient is φ = 2566350.

The previous prime is 2566339. The next prime is 2566367. The reversal of 2566351 is 1536652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2566351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283175 + 1283176.

It is an arithmetic number, because the mean of its divisors is an integer number (1283176).

2^2566351 is an apocalyptic number.

2566351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566351 is an equidigital number, since it uses as much as digits as its factorization.

2566351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 2566351 is about 1601.9834580919. The cubic root of 2566351 is about 136.9111079095.

The spelling of 2566351 in words is "two million, five hundred sixty-six thousand, three hundred fifty-one".