1085747625 has 64 divisors (see below), whose sum is σ = 2015020800. Its totient is φ = 576878400.

The previous prime is 1085747623. The next prime is 1085747629. The reversal of 1085747625 is 5267475801.

1085747625 is a `hidden beast` number, since 1 + 0 + 8 + 574 + 76 + 2 + 5 = 666.

It is not a de Polignac number, because 1085747625 - 2¹ = 1085747623 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1085747623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1312462 + ... + 1313288.

It is an arithmetic number, because the mean of its divisors is an integer number (31484700).

Almost surely, 2^1085747625 is an apocalyptic number.

1085747625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1085747625 is a deficient number, since it is larger than the sum of its proper divisors (929273175).

1085747625 is an equidigital number, since it uses as much as digits as its factorization.

1085747625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 1085747625 is about 32950.6847425057. The cubic root of 1085747625 is about 1027.8024044636.

The spelling of 1085747625 in words is "one billion, eighty-five million, seven hundred forty-seven thousand, six hundred twenty-five".