2651629 has 2 divisors, whose sum is σ = 2651630. Its totient is φ = 2651628.

The previous prime is 2651617. The next prime is 2651639. The reversal of 2651629 is 9261562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 697225 = 1398^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651629 - 2⁷ = 2651501 is a prime.

It is a super-2 number, since 2×2651629² = 14062272707282, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2651629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325814 + 1325815.

It is an arithmetic number, because the mean of its divisors is an integer number (1325815).

2^2651629 is an apocalyptic number.

It is an amenable number.

2651629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651629 is an equidigital number, since it uses as much as digits as its factorization.

2651629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2651629 is about 1628.3823261139. The cubic root of 2651629 is about 138.4110999651.

The spelling of 2651629 in words is "two million, six hundred fifty-one thousand, six hundred twenty-nine".