2729651 has 2 divisors, whose sum is σ = 2729652. Its totient is φ = 2729650.

The previous prime is 2729633. The next prime is 2729653. The reversal of 2729651 is 1569272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2729651 - 2¹⁴ = 2713267 is a prime.

Together with 2729653, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₉₈₆₄₄ and since 2729651 and 198644 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2729653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364825 + 1364826.

It is an arithmetic number, because the mean of its divisors is an integer number (1364826).

2^2729651 is an apocalyptic number.

2729651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729651 is an equidigital number, since it uses as much as digits as its factorization.

2729651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 2729651 is about 1652.1655486058. The cubic root of 2729651 is about 139.7555427838.

The spelling of 2729651 in words is "two million, seven hundred twenty-nine thousand, six hundred fifty-one".