652739 has 2 divisors, whose sum is σ = 652740. Its totient is φ = 652738.

The previous prime is 652733. The next prime is 652741. The reversal of 652739 is 937256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652739 - 2⁴ = 652723 is a prime.

It is a super-3 number, since 3×652739³ = 834333996552778257, which contains 333 as substring.

Together with 652741, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326369 + 326370.

It is an arithmetic number, because the mean of its divisors is an integer number (326370).

2⁶⁵²⁷³⁹ is an apocalyptic number.

652739 is a deficient number, since it is larger than the sum of its proper divisors (1).

652739 is an equidigital number, since it uses as much as digits as its factorization.

652739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 652739 is about 807.9226448120. The cubic root of 652739 is about 86.7454133063.

The spelling of 652739 in words is "six hundred fifty-two thousand, seven hundred thirty-nine".