2556102533 has 2 divisors, whose sum is σ = 2556102534. Its totient is φ = 2556102532.

The previous prime is 2556102431. The next prime is 2556102557. The reversal of 2556102533 is 3352016552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2408650084 + 147452449 = 49078^2 + 12143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2556102533 - 2¹² = 2556098437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2556102533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2556102733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278051266 + 1278051267.

It is an arithmetic number, because the mean of its divisors is an integer number (1278051267).

Almost surely, 2^2556102533 is an apocalyptic number.

It is an amenable number.

2556102533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556102533 is an equidigital number, since it uses as much as digits as its factorization.

2556102533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 2556102533 is about 50557.9126645869. The cubic root of 2556102533 is about 1367.2861781911.

The spelling of 2556102533 in words is "two billion, five hundred fifty-six million, one hundred two thousand, five hundred thirty-three".