2153763 has 8 divisors (see below), whose sum is σ = 3190800. Its totient is φ = 1435824.

The previous prime is 2153737. The next prime is 2153773. The reversal of 2153763 is 3673512.

It is a happy number.

It is not a de Polignac number, because 2153763 - 2⁶ = 2153699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 79769 = 2153763 / (2 + 1 + 5 + 3 + 7 + 6 + 3).

It is not an unprimeable number, because it can be changed into a prime (2153773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39858 + ... + 39911.

It is an arithmetic number, because the mean of its divisors is an integer number (398850).

2^2153763 is an apocalyptic number.

2153763 is a deficient number, since it is larger than the sum of its proper divisors (1037037).

2153763 is an equidigital number, since it uses as much as digits as its factorization.

2153763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79778 (or 79772 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 2153763 is about 1467.5704412395. The cubic root of 2153763 is about 129.1415428532.

It can be divided in two parts, 2153 and 763, that added together give a square (2916 = 54²).

The spelling of 2153763 in words is "two million, one hundred fifty-three thousand, seven hundred sixty-three".