1353357473 has 8 divisors (see below), whose sum is σ = 1496853288. Its totient is φ = 1215489024.

The previous prime is 1353357461. The next prime is 1353357487. The reversal of 1353357473 is 3747533531.

It can be written as a sum of positive squares in 4 ways, for example, as 5513104 + 1347844369 = 2348^2 + 36713^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1353357473 - 2⁴ = 1353357457 is a prime.

It is a super-3 number, since 3×1353357473³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1353357473.

It is not an unprimeable number, because it can be changed into a prime (1353357373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406336 + ... + 1407297.

It is an arithmetic number, because the mean of its divisors is an integer number (187106661).

Almost surely, 2^1353357473 is an apocalyptic number.

1353357473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1353357473 is a deficient number, since it is larger than the sum of its proper divisors (143495815).

1353357473 is a wasteful number, since it uses less digits than its factorization.

1353357473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813683.

The product of its digits is 396900, while the sum is 41.

The square root of 1353357473 is about 36788.0071898438. The cubic root of 1353357473 is about 1106.1249159944.

The spelling of 1353357473 in words is "one billion, three hundred fifty-three million, three hundred fifty-seven thousand, four hundred seventy-three".