2552629 has 2 divisors, whose sum is σ = 2552630. Its totient is φ = 2552628.

The previous prime is 2552623. The next prime is 2552647. The reversal of 2552629 is 9262552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2331729 + 220900 = 1527^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552629 - 2³ = 2552621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2552629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552621) 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, 1276314 + 1276315.

It is an arithmetic number, because the mean of its divisors is an integer number (1276315).

2^2552629 is an apocalyptic number.

It is an amenable number.

2552629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552629 is an equidigital number, since it uses as much as digits as its factorization.

2552629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 2552629 is about 1597.6949020386. The cubic root of 2552629 is about 136.6666554300. Note that the first 4 decimals are identical.

The spelling of 2552629 in words is "two million, five hundred fifty-two thousand, six hundred twenty-nine".