652537 has 4 divisors (see below), whose sum is σ = 654160. Its totient is φ = 650916.

The previous prime is 652507. The next prime is 652541. The reversal of 652537 is 735256.

652537 is nontrivially palindromic in base 16.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652537 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652507) 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 3 ways as a sum of consecutive naturals, for example, 298 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (163540).

2⁶⁵²⁵³⁷ is an apocalyptic number.

It is an amenable number.

652537 is a deficient number, since it is larger than the sum of its proper divisors (1623).

652537 is an equidigital number, since it uses as much as digits as its factorization.

652537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622.

The product of its digits is 6300, while the sum is 28.

The square root of 652537 is about 807.7976231706. The cubic root of 652537 is about 86.7364641544.

The spelling of 652537 in words is "six hundred fifty-two thousand, five hundred thirty-seven".