1025305255 has 12 divisors (see below), whose sum is σ = 1332291240. Its totient is φ = 757147872.

The previous prime is 1025305243. The next prime is 1025305277. The reversal of 1025305255 is 5525035201.

It is not a de Polignac number, because 1025305255 - 2²³ = 1016916647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605845 + ... + 607534.

It is an arithmetic number, because the mean of its divisors is an integer number (111024270).

Almost surely, 2^1025305255 is an apocalyptic number.

1025305255 is a deficient number, since it is larger than the sum of its proper divisors (306985985).

1025305255 is a wasteful number, since it uses less digits than its factorization.

1025305255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213410 (or 1213397 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 1025305255 is about 32020.3881144498. The cubic root of 1025305255 is about 1008.3649180432.

The spelling of 1025305255 in words is "one billion, twenty-five million, three hundred five thousand, two hundred fifty-five".