1085025249 has 24 divisors (see below), whose sum is σ = 1953986112. Its totient is φ = 563649120.

The previous prime is 1085025241. The next prime is 1085025257. The reversal of 1085025249 is 9425205801.

1085025249 is a `hidden beast` number, since 108 + 502 + 5 + 2 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (1085025241) and next prime (1085025257).

It is not a de Polignac number, because 1085025249 - 2³ = 1085025241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085025241) 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 23 ways as a sum of consecutive naturals, for example, 782154 + ... + 783539.

It is an arithmetic number, because the mean of its divisors is an integer number (81416088).

Almost surely, 2^1085025249 is an apocalyptic number.

It is an amenable number.

1085025249 is a deficient number, since it is larger than the sum of its proper divisors (868960863).

1085025249 is a wasteful number, since it uses less digits than its factorization.

1085025249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565717 (or 1565714 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1085025249 is about 32939.7214469097. The cubic root of 1085025249 is about 1027.5744127116.

The spelling of 1085025249 in words is "one billion, eighty-five million, twenty-five thousand, two hundred forty-nine".