537653 has 4 divisors (see below), whose sum is σ = 540288. Its totient is φ = 535020.

The previous prime is 537637. The next prime is 537661. The reversal of 537653 is 356735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356735 = 5 ⋅71347.

It is a cyclic number.

It is not a de Polignac number, because 537653 - 2⁴ = 537637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983 + ... + 1428.

It is an arithmetic number, because the mean of its divisors is an integer number (135072).

2⁵³⁷⁶⁵³ is an apocalyptic number.

It is an amenable number.

537653 is a deficient number, since it is larger than the sum of its proper divisors (2635).

537653 is a wasteful number, since it uses less digits than its factorization.

537653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634.

The product of its digits is 9450, while the sum is 29.

The square root of 537653 is about 733.2482526403. The cubic root of 537653 is about 81.3143805311.

The spelling of 537653 in words is "five hundred thirty-seven thousand, six hundred fifty-three".