652730 has 16 divisors (see below), whose sum is σ = 1265544. Its totient is φ = 240960.

The previous prime is 652727. The next prime is 652733. The reversal of 652730 is 37256.

It is an interprime number because it is at equal distance from previous prime (652727) and next prime (652733).

It can be written as a sum of positive squares in 4 ways, for example, as 543169 + 109561 = 737^2 + 331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 652696 and 652705.

It is not an unprimeable number, because it can be changed into a prime (652733) 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 7 ways as a sum of consecutive naturals, for example, 2381 + ... + 2640.

2⁶⁵²⁷³⁰ is an apocalyptic number.

652730 is a deficient number, since it is larger than the sum of its proper divisors (612814).

652730 is a wasteful number, since it uses less digits than its factorization.

652730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 652730 is about 807.9170749526. The cubic root of 652730 is about 86.7450146210.

Adding to 652730 its reverse (37256), we get a palindrome (689986).

The spelling of 652730 in words is "six hundred fifty-two thousand, seven hundred thirty".