1352420505 has 12 divisors (see below), whose sum is σ = 2344195620. Its totient is φ = 721290912.

The previous prime is 1352420497. The next prime is 1352420561. The reversal of 1352420505 is 5050242531.

It is a happy number.

1352420505 is a `hidden beast` number, since 135 + 2 + 4 + 20 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 794563344 + 557857161 = 28188^2 + 23619^2 .

It is not a de Polignac number, because 1352420505 - 2³ = 1352420497 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15026850 + ... + 15026939.

It is an arithmetic number, because the mean of its divisors is an integer number (195349635).

Almost surely, 2^1352420505 is an apocalyptic number.

1352420505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1352420505 is a deficient number, since it is larger than the sum of its proper divisors (991775115).

1352420505 is a wasteful number, since it uses less digits than its factorization.

1352420505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30053800 (or 30053797 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1352420505 is about 36775.2702913248. The cubic root of 1352420505 is about 1105.8695897803.

The spelling of 1352420505 in words is "one billion, three hundred fifty-two million, four hundred twenty thousand, five hundred five".