1081352605 has 32 divisors (see below), whose sum is σ = 1412611200. Its totient is φ = 791949312.

The previous prime is 1081352603. The next prime is 1081352617. The reversal of 1081352605 is 5062531801.

It is a cyclic number.

It is not a de Polignac number, because 1081352605 - 2¹ = 1081352603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081352603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394881 + ... + 397609.

It is an arithmetic number, because the mean of its divisors is an integer number (44144100).

Almost surely, 2^1081352605 is an apocalyptic number.

It is an amenable number.

1081352605 is a deficient number, since it is larger than the sum of its proper divisors (331258595).

1081352605 is a wasteful number, since it uses less digits than its factorization.

1081352605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1081352605 is about 32883.9262406423. The cubic root of 1081352605 is about 1026.4137082115.

The spelling of 1081352605 in words is "one billion, eighty-one million, three hundred fifty-two thousand, six hundred five".