652529 has 4 divisors (see below), whose sum is σ = 675060. Its totient is φ = 630000.

The previous prime is 652507. The next prime is 652541. The reversal of 652529 is 925256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 559504 + 93025 = 748^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 652529 - 2¹² = 648433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 22501 = 652529 / (6 + 5 + 2 + 5 + 2 + 9).

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

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 652529.

It is not an unprimeable number, because it can be changed into a prime (652549) 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, 11222 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (168765).

2⁶⁵²⁵²⁹ is an apocalyptic number.

It is an amenable number.

652529 is a deficient number, since it is larger than the sum of its proper divisors (22531).

652529 is a wasteful number, since it uses less digits than its factorization.

652529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22530.

The product of its digits is 5400, while the sum is 29.

The square root of 652529 is about 807.7926714201. The cubic root of 652529 is about 86.7361096946.

It can be divided in two parts, 6525 and 29, that multiplied together give a square (189225 = 435²).

The spelling of 652529 in words is "six hundred fifty-two thousand, five hundred twenty-nine".