2653533 has 16 divisors (see below), whose sum is σ = 4103040. Its totient is φ = 1691712.

The previous prime is 2653517. The next prime is 2653537. The reversal of 2653533 is 3353562.

2653533 is a `hidden beast` number, since 2 + 653 + 5 + 3 + 3 = 666.

It is not a de Polignac number, because 2653533 - 2⁴ = 2653517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2653497 and 2653506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653537) 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 in 15 ways as a sum of consecutive naturals, for example, 1516 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (256440).

2^2653533 is an apocalyptic number.

2653533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2653533 is a deficient number, since it is larger than the sum of its proper divisors (1449507).

2653533 is a wasteful number, since it uses less digits than its factorization.

2653533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305 (or 4299 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 2653533 is about 1628.9668504914. The cubic root of 2653533 is about 138.4442206974. Note that the first 3 decimals are identical.

It can be divided in two parts, 265353 and 3, that added together give a triangular number (265356 = T₇₂₈).

The spelling of 2653533 in words is "two million, six hundred fifty-three thousand, five hundred thirty-three".