1353003345 has 48 divisors (see below), whose sum is σ = 2478071232. Its totient is φ = 707952960.

The previous prime is 1353003341. The next prime is 1353003349. The reversal of 1353003345 is 5433003531.

It is a happy number.

1353003345 is a `hidden beast` number, since 13 + 5 + 300 + 3 + 345 = 666.

It is an interprime number because it is at equal distance from previous prime (1353003341) and next prime (1353003349).

It is not a de Polignac number, because 1353003345 - 2² = 1353003341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1353003341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53890 + ... + 74900.

It is an arithmetic number, because the mean of its divisors is an integer number (51626484).

Almost surely, 2^1353003345 is an apocalyptic number.

1353003345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1353003345 is a deficient number, since it is larger than the sum of its proper divisors (1125067887).

1353003345 is an equidigital number, since it uses as much as digits as its factorization.

1353003345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21084 (or 21072 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 1353003345 is about 36783.1937846620. The cubic root of 1353003345 is about 1106.0284290517.

Adding to 1353003345 its reverse (5433003531), we get a palindrome (6786006876).

The spelling of 1353003345 in words is "one billion, three hundred fifty-three million, three thousand, three hundred forty-five".