1353453985 has 16 divisors (see below), whose sum is σ = 1751904000. Its totient is φ = 997859520.

The previous prime is 1353453977. The next prime is 1353453989. The reversal of 1353453985 is 5893543531.

It is not a de Polignac number, because 1353453985 - 2³ = 1353453977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1353453989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24516 + ... + 57514.

It is an arithmetic number, because the mean of its divisors is an integer number (109494000).

Almost surely, 2^1353453985 is an apocalyptic number.

It is an amenable number.

1353453985 is a deficient number, since it is larger than the sum of its proper divisors (398450015).

1353453985 is a wasteful number, since it uses less digits than its factorization.

1353453985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33648.

The product of its digits is 972000, while the sum is 46.

The square root of 1353453985 is about 36789.3188982889. The cubic root of 1353453985 is about 1106.1512090698.

The spelling of 1353453985 in words is "one billion, three hundred fifty-three million, four hundred fifty-three thousand, nine hundred eighty-five".