1253288005 has 8 divisors (see below), whose sum is σ = 1528600824. Its totient is φ = 986193600.

The previous prime is 1253287961. The next prime is 1253288033. The reversal of 1253288005 is 5008823521.

It can be written as a sum of positive squares in 4 ways, for example, as 6280036 + 1247007969 = 2506^2 + 35313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1253288005 - 2⁹ = 1253287493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054266 + ... + 2054875.

It is an arithmetic number, because the mean of its divisors is an integer number (191075103).

Almost surely, 2^1253288005 is an apocalyptic number.

It is an amenable number.

1253288005 is a deficient number, since it is larger than the sum of its proper divisors (275312819).

1253288005 is an equidigital number, since it uses as much as digits as its factorization.

1253288005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109207.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1253288005 is about 35401.8079340590. The cubic root of 1253288005 is about 1078.1610236846.

The spelling of 1253288005 in words is "one billion, two hundred fifty-three million, two hundred eighty-eight thousand, five".