1351325285 has 16 divisors (see below), whose sum is σ = 1667660400. Its totient is φ = 1050425856.

The previous prime is 1351325281. The next prime is 1351325293. The reversal of 1351325285 is 5825231531.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 620109604 + 731215681 = 24902^2 + 27041^2 .

It is not a de Polignac number, because 1351325285 - 2² = 1351325281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351325281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145151 + ... + 154179.

It is an arithmetic number, because the mean of its divisors is an integer number (104228775).

Almost surely, 2^1351325285 is an apocalyptic number.

It is an amenable number.

1351325285 is a deficient number, since it is larger than the sum of its proper divisors (316335115).

1351325285 is an equidigital number, since it uses as much as digits as its factorization.

1351325285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9880.

The product of its digits is 36000, while the sum is 35.

The square root of 1351325285 is about 36760.3765622715. The cubic root of 1351325285 is about 1105.5709899541.

The spelling of 1351325285 in words is "one billion, three hundred fifty-one million, three hundred twenty-five thousand, two hundred eighty-five".