2698651 has 2 divisors, whose sum is σ = 2698652. Its totient is φ = 2698650.

The previous prime is 2698649. The next prime is 2698667. The reversal of 2698651 is 1568962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2698651 - 2¹ = 2698649 is a prime.

Together with 2698649, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2698651.

It is not a weakly prime, because it can be changed into another prime (2698681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349325 + 1349326.

It is an arithmetic number, because the mean of its divisors is an integer number (1349326).

2^2698651 is an apocalyptic number.

2698651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2698651 is an equidigital number, since it uses as much as digits as its factorization.

2698651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 2698651 is about 1642.7571336019. The cubic root of 2698651 is about 139.2244703920.

The spelling of 2698651 in words is "two million, six hundred ninety-eight thousand, six hundred fifty-one".