655543253 has 2 divisors, whose sum is σ = 655543254. Its totient is φ = 655543252.

The previous prime is 655543247. The next prime is 655543261. The reversal of 655543253 is 352345556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495596644 + 159946609 = 22262^2 + 12647^2 .

It is a cyclic number.

It is not a de Polignac number, because 655543253 - 2²² = 651348949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655543223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327771626 + 327771627.

It is an arithmetic number, because the mean of its divisors is an integer number (327771627).

Almost surely, 2^655543253 is an apocalyptic number.

It is an amenable number.

655543253 is a deficient number, since it is larger than the sum of its proper divisors (1).

655543253 is an equidigital number, since it uses as much as digits as its factorization.

655543253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 38.

The square root of 655543253 is about 25603.5789099883. The cubic root of 655543253 is about 868.6945908935.

The spelling of 655543253 in words is "six hundred fifty-five million, five hundred forty-three thousand, two hundred fifty-three".