1385061485 has 16 divisors (see below), whose sum is σ = 1783958256. Its totient is φ = 1028579328.

The previous prime is 1385061481. The next prime is 1385061523. The reversal of 1385061485 is 5841605831.

It can be written as a sum of positive squares in 8 ways, for example, as 132043081 + 1253018404 = 11491^2 + 35398^2 .

It is a cyclic number.

It is not a de Polignac number, because 1385061485 - 2² = 1385061481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385061481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105404 + ... + 117813.

It is an arithmetic number, because the mean of its divisors is an integer number (111497391).

Almost surely, 2^1385061485 is an apocalyptic number.

It is an amenable number.

1385061485 is a deficient number, since it is larger than the sum of its proper divisors (398896771).

1385061485 is a wasteful number, since it uses less digits than its factorization.

1385061485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223312.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 1385061485 is about 37216.4141878285. The cubic root of 1385061485 is about 1114.6957644882.

The spelling of 1385061485 in words is "one billion, three hundred eighty-five million, sixty-one thousand, four hundred eighty-five".