652543469 has 2 divisors, whose sum is σ = 652543470. Its totient is φ = 652543468.

The previous prime is 652543457. The next prime is 652543483. The reversal of 652543469 is 964345256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652189444 + 354025 = 25538^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652543469 is a prime.

It is a super-2 number, since 2×652543469² = 851625957869107922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652543499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326271734 + 326271735.

It is an arithmetic number, because the mean of its divisors is an integer number (326271735).

Almost surely, 2^652543469 is an apocalyptic number.

It is an amenable number.

652543469 is a deficient number, since it is larger than the sum of its proper divisors (1).

652543469 is an equidigital number, since it uses as much as digits as its factorization.

652543469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 44.

The square root of 652543469 is about 25544.9303972432. The cubic root of 652543469 is about 867.3675077744.

It can be divided in two parts, 6525 and 43469, that added together give a palindrome (49994).

The spelling of 652543469 in words is "six hundred fifty-two million, five hundred forty-three thousand, four hundred sixty-nine".