2505533 has 2 divisors, whose sum is σ = 2505534. Its totient is φ = 2505532.

The previous prime is 2505527. The next prime is 2505539. The reversal of 2505533 is 3355052.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2505527) and next prime (2505539).

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 2809 = 1582^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505533 - 2⁸ = 2505277 is a prime.

It is a super-2 number, since 2×2505533² = 12555391228178, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁵ + 0 + 5⁵ + 5⁹ + 3⁷ + 3⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2505499 and 2505508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505539) 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, 1252766 + 1252767.

It is an arithmetic number, because the mean of its divisors is an integer number (1252767).

2^2505533 is an apocalyptic number.

It is an amenable number.

2505533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505533 is an equidigital number, since it uses as much as digits as its factorization.

2505533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 2505533 is about 1582.8875512809. The cubic root of 2505533 is about 135.8209328721.

The spelling of 2505533 in words is "two million, five hundred five thousand, five hundred thirty-three".