1085752025 has 36 divisors (see below), whose sum is σ = 1409776212. Its totient is φ = 829409280.

The previous prime is 1085751991. The next prime is 1085752049. The reversal of 1085752025 is 5202575801.

It can be written as a sum of positive squares in 18 ways, for example, as 792760336 + 292991689 = 28156^2 + 17117^2 .

It is not a de Polignac number, because 1085752025 - 2²² = 1081557721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2375597 + ... + 2376053.

Almost surely, 2^1085752025 is an apocalyptic number.

It is an amenable number.

1085752025 is a deficient number, since it is larger than the sum of its proper divisors (324024187).

1085752025 is a wasteful number, since it uses less digits than its factorization.

1085752025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 1085752025 is about 32950.7515088806. The cubic root of 1085752025 is about 1027.8037928539.

The spelling of 1085752025 in words is "one billion, eighty-five million, seven hundred fifty-two thousand, twenty-five".