1353520045 has 8 divisors (see below), whose sum is σ = 1680231960. Its totient is φ = 1045477440.

The previous prime is 1353520039. The next prime is 1353520061. The reversal of 1353520045 is 5400253531.

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 1353209796 = 557^2 + 36786^2 .

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

It is not a de Polignac number, because 1353520045 - 2⁷ = 1353519917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1353519995 and 1353520022.

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, 4667166 + ... + 4667455.

It is an arithmetic number, because the mean of its divisors is an integer number (210028995).

Almost surely, 2^1353520045 is an apocalyptic number.

It is an amenable number.

1353520045 is a deficient number, since it is larger than the sum of its proper divisors (326711915).

1353520045 is an equidigital number, since it uses as much as digits as its factorization.

1353520045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9334655.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1353520045 is about 36790.2167022702. The cubic root of 1353520045 is about 1106.1692052881.

Adding to 1353520045 its reverse (5400253531), we get a palindrome (6753773576).

The spelling of 1353520045 in words is "one billion, three hundred fifty-three million, five hundred twenty thousand, forty-five".