1253022585 has 32 divisors (see below), whose sum is σ = 2058324480. Its totient is φ = 650600448.

The previous prime is 1253022581. The next prime is 1253022593. The reversal of 1253022585 is 5852203521.

It is not a de Polignac number, because 1253022585 - 2² = 1253022581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253022581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131461 + ... + 140669.

It is an arithmetic number, because the mean of its divisors is an integer number (64322640).

Almost surely, 2^1253022585 is an apocalyptic number.

1253022585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253022585 is a deficient number, since it is larger than the sum of its proper divisors (805301895).

1253022585 is a wasteful number, since it uses less digits than its factorization.

1253022585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9457.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1253022585 is about 35398.0590569596. The cubic root of 1253022585 is about 1078.0849077131.

The spelling of 1253022585 in words is "one billion, two hundred fifty-three million, twenty-two thousand, five hundred eighty-five".