1255653 has 24 divisors (see below), whose sum is σ = 2184000. Its totient is φ = 679104.

The previous prime is 1255651. The next prime is 1255663. The reversal of 1255653 is 3565521.

1255653 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 653 = 666.

It is not a de Polignac number, because 1255653 - 2¹ = 1255651 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (91000).

2^1255653 is an apocalyptic number.

It is an amenable number.

1255653 is a deficient number, since it is larger than the sum of its proper divisors (928347).

1255653 is a wasteful number, since it uses less digits than its factorization.

1255653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1078 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 1255653 is about 1120.5592353820. The cubic root of 1255653 is about 107.8838772459.

It can be divided in two parts, 125 and 5653, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 1255653 in words is "one million, two hundred fifty-five thousand, six hundred fifty-three".