655125829 has 2 divisors, whose sum is σ = 655125830. Its totient is φ = 655125828.

The previous prime is 655125761. The next prime is 655125841. The reversal of 655125829 is 928521556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654848100 + 277729 = 25590^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 655125829 - 2²⁵ = 621571397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655125869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327562914 + 327562915.

It is an arithmetic number, because the mean of its divisors is an integer number (327562915).

Almost surely, 2^655125829 is an apocalyptic number.

It is an amenable number.

655125829 is a deficient number, since it is larger than the sum of its proper divisors (1).

655125829 is an equidigital number, since it uses as much as digits as its factorization.

655125829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 43.

The square root of 655125829 is about 25595.4259390228. The cubic root of 655125829 is about 868.5101682982.

The spelling of 655125829 in words is "six hundred fifty-five million, one hundred twenty-five thousand, eight hundred twenty-nine".