1485903561 has 8 divisors (see below), whose sum is σ = 1982744544. Its totient is φ = 989832480.

The previous prime is 1485903541. The next prime is 1485903583. The reversal of 1485903561 is 1653095841.

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

It is not a de Polignac number, because 1485903561 - 2¹⁷ = 1485772489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1485903511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 187956 + ... + 195701.

It is an arithmetic number, because the mean of its divisors is an integer number (247843068).

Almost surely, 2^1485903561 is an apocalyptic number.

It is an amenable number.

1485903561 is a deficient number, since it is larger than the sum of its proper divisors (496840983).

1485903561 is a wasteful number, since it uses less digits than its factorization.

1485903561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384951.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 1485903561 is about 38547.4196412678. The cubic root of 1485903561 is about 1141.1170852207.

The spelling of 1485903561 in words is "one billion, four hundred eighty-five million, nine hundred three thousand, five hundred sixty-one".