652541 has 2 divisors, whose sum is σ = 652542. Its totient is φ = 652540.

The previous prime is 652507. The next prime is 652543. The reversal of 652541 is 145256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417316 + 235225 = 646^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 652541 - 2¹⁰ = 651517 is a prime.

Together with 652543, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326270 + 326271.

It is an arithmetic number, because the mean of its divisors is an integer number (326271).

2⁶⁵²⁵⁴¹ is an apocalyptic number.

It is an amenable number.

652541 is a deficient number, since it is larger than the sum of its proper divisors (1).

652541 is an equidigital number, since it uses as much as digits as its factorization.

652541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 652541 is about 807.8000990344. The cubic root of 652541 is about 86.7366413833.

Adding to 652541 its reverse (145256), we get a palindrome (797797).

The spelling of 652541 in words is "six hundred fifty-two thousand, five hundred forty-one".