1025655263 has 2 divisors, whose sum is σ = 1025655264. Its totient is φ = 1025655262.

The previous prime is 1025655259. The next prime is 1025655277. The reversal of 1025655263 is 3625565201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025655263 - 2² = 1025655259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025655223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512827631 + 512827632.

It is an arithmetic number, because the mean of its divisors is an integer number (512827632).

Almost surely, 2^1025655263 is an apocalyptic number.

1025655263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025655263 is an equidigital number, since it uses as much as digits as its factorization.

1025655263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1025655263 is about 32025.8530409418. The cubic root of 1025655263 is about 1008.4796466841.

The spelling of 1025655263 in words is "one billion, twenty-five million, six hundred fifty-five thousand, two hundred sixty-three".