655525319 has 2 divisors, whose sum is σ = 655525320. Its totient is φ = 655525318.

The previous prime is 655525313. The next prime is 655525361. The reversal of 655525319 is 913525556.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655525319 is a prime.

It is a super-2 number, since 2×655525319² = 859426887700103522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655525313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327762659 + 327762660.

It is an arithmetic number, because the mean of its divisors is an integer number (327762660).

Almost surely, 2^655525319 is an apocalyptic number.

655525319 is a deficient number, since it is larger than the sum of its proper divisors (1).

655525319 is an equidigital number, since it uses as much as digits as its factorization.

655525319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 202500, while the sum is 41.

The square root of 655525319 is about 25603.2286831173. The cubic root of 655525319 is about 868.6866690614.

The spelling of 655525319 in words is "six hundred fifty-five million, five hundred twenty-five thousand, three hundred nineteen".